Regulations last checked for updates: Feb 07, 2026

Title 40 - Protection of Environment last revised: Dec 22, 2026
All TitlesTitle 40Chapter IPart 81Subpart C - Subpart C—Section 107 Attainment Status Designations
View all text of Subpart C [§ 81.300 - § 81.356]
§ 81.334 - North Carolina.

North Carolina—TSP

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Alamance CountyX
Alexander CountyX
Alleghany CountyX
Anson CountyX
Ashe CountyX
Avery CountyX
Beaufort CountyX
Bertie CountyX
Bladen CountyX
Brunswick CountyX
Buncombe CountyX
Burke CountyX
Cabarrus CountyX
Caldwell CountyX
Camden CountyX
Carteret CountyX
Caswell CountyX
Catawba CountyX
Chatham CountyX
Cherokee CountyX
Chowan CountyX
Clay CountyX
Cleveland CountyX
Columbus CountyX
Craven CountyX
Cumberland CountyX
Currituck CountyX
Dare CountyX
Davidson CountyX
Davie CountyX
Duplin CountyX
Durham CountyX
Edgecombe CountyX
Forsyth CountyX
Franklin CountyX
Gaston CountyX
Gates CountyX
Graham CountyX
Granville CountyX
Greene CountyX
Guilford CountyX
Halifax CountyX
Harnett CountyX
Haywood CountyX
Henderson CountyX
Hertford CountyX
Hoke CountyX
Hyde CountyX
Iredell CountyX
Jackson CountyX
Johnston CountyX
Jones CountyX
Lee CountyX
Lenoir CountyX
Lincoln CountyX
McDowell CountyX
Macon CountyX
Madison CountyX
Martin CountyX
Mecklenburg CountyX
Mitchell CountyX
Montgomery CountyX
Moore CountyX
Nash CountyX
New Hanover CountyX
Northampton CountyX
Onslow CountyX
Orange CountyX
Pamlico CountyX
Pasquotank CountyX
Pender CountyX
Perquimans CountyX
Person CountyX
Pitt CountyX
Polk CountyX
Randolph CountyX
Richmond CountyX
Robeson CountyX
Rockingham CountyX
Rowan CountyX
Rutherford CountyX
Sampson CountyX
Scotland CountyX
Stanly CountyX
Stokes CountyX
Surry CountyX
Swain CountyX
Transylvania CountyX
Tyrrell CountyX
Union CountyX
Vance CountyX
Wake CountyX
Warren CountyX
Washington CountyX
Watauga CountyX
Wayne CountyX
Wilkes CountyX
Wilson CountyX
Yadkin CountyX
Yancey CountyX

North Carolina—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Alamance CountyX
Alexander CountyX
Alleghany CountyX
Anson CountyX
Ashe CountyX
Avery CountyX
Beaufort CountyX
Bertie CountyX
Bladen CountyX
Brunswick CountyX
Buncombe CountyX
Burke CountyX
Cabarrus CountyX
Caldwell CountyX
Camden CountyX
Carteret CountyX
Caswell CountyX
Catawba CountyX
Chatham CountyX
Cherokee CountyX
Chowan CountyX
Clay CountyX
Cleveland CountyX
Columbus CountyX
Craven CountyX
Cumberland CountyX
Currituck CountyX
Dare CountyX
Davidson CountyX
Davie CountyX
Duplin CountyX
Durham CountyX
Edgecombe CountyX
Forsyth CountyX
Franklin CountyX
Gaston CountyX
Gates CountyX
Graham CountyX
Granville CountyX
Greene CountyX
Guilford CountyX
Halifax CountyX
Harnett CountyX
Haywood CountyX
Henderson CountyX
Hertford CountyX
Hoke CountyX
Hyde CountyX
Iredell CountyX
Jackson CountyX
Johnston CountyX
Jones CountyX
Lee CountyX
Lenoir CountyX
Lincoln CountyX
McDowell CountyX
Macon CountyX
Madison CountyX
Martin CountyX
Mecklenburg CountyX
Mitchell CountyX
Montgomery CountyX
Moore CountyX
Nash CountyX
New Hanover CountyX
Northampton CountyX
Onslow CountyX
Orange CountyX
Pamlico CountyX
Pasquotank CountyX
Pender CountyX
Perquimans CountyX
Person CountyX
Pitt CountyX
Polk CountyX
Randolph CountyX
Richmond CountyX
Robeson CountyX
Rockingham CountyX
Rowan CountyX
Rutherford CountyX
Sampson CountyX
Scotland CountyX
Stanly CountyX
Stokes CountyX
Surry CountyX
Swain CountyX
Transylvania CountyX
Tyrrell CountyX
Union CountyX
Vance CountyX
Wake CountyX
Warren CountyX
Washington CountyX
Watauga CountyX
Wayne CountyX
Wilkes CountyX
Wilson CountyX
Yadkin CountyX
Yancey CountyX

North Carolina—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 Designation
Date 2 Type
Alamance CountyAttainment/Unclassifiable.
Each Individual Township
Alexander CountyAttainment/Unclassifiable.
Each Individual Township
Alleghany CountyAttainment/Unclassifiable.
Each Individual Township
Anson CountyAttainment/Unclassifiable.
Each Individual Township
Ashe CountyAttainment/Unclassifiable.
Each Individual Township
Avery CountyAttainment/Unclassifiable.
Each Individual Township
Beaufort CountyAttainment/Unclassifiable.
Each Individual Township
Bertie CountyAttainment/Unclassifiable.
Each Individual Township
Bladen CountyAttainment/Unclassifiable.
Each Individual Township
Brunswick County10/28/2021Attainment/Unclassifiable.
Lockwood Folly Township, Northwest Township, Shallotte Township, Smithville Township, Town Creek Township, Waccamaw Township
Buncombe CountyAttainment/Unclassifiable.
All Townships except Limestone Township.
Limestone Township4/30/2021
Burke CountyAttainment/Unclassifiable.
Each Individual Township
Cabarrus CountyAttainment/Unclassifiable.
Each Individual Township
Caldwell CountyAttainment/Unclassifiable.
Each Individual Township
Camden CountyAttainment/Unclassifiable.
Each Individual Township
Carteret CountyAttainment/Unclassifiable.
Each Individual Township
Caswell CountyAttainment/Unclassifiable.
Each Individual Township
Catawba CountyAttainment/Unclassifiable.
Each Individual Township
Chatham CountyAttainment/Unclassifiable.
Each Individual Township
Cherokee CountyAttainment/Unclassifiable.
Each Individual Township
Chowan CountyAttainment/Unclassifiable.
Each Individual Township
Clay CountyAttainment/Unclassifiable.
Each Individual Township
Cleveland CountyAttainment/Unclassifiable.
Each Individual Township
Columbus CountyAttainment/Unclassifiable.
Each Individual Township
Craven CountyAttainment/Unclassifiable.
Each Individual Township
Cumberland CountyAttainment/Unclassifiable.
Each Individual Township
Currituck CountyAttainment/Unclassifiable.
Each Individual Township
Dare CountyAttainment/Unclassifiable.
Each Individual Township
Davidson CountyAttainment/Unclassifiable.
Each Individual Township
Davie CountyAttainment/Unclassifiable.
Each Individual Township
Duplin CountyAttainment/Unclassifiable.
Each Individual Township
Durham CountyAttainment/Unclassifiable.
Each Individual Township
Edgecombe CountyAttainment/Unclassifiable.
Each Individual Township
Forsyth CountyAttainment/Unclassifiable.
Each Individual Township
Franklin CountyAttainment/Unclassifiable.
Each Individual Township
Gaston CountyAttainment/Unclassifiable.
Each Individual Township
Gates CountyAttainment/Unclassifiable.
Each Individual Township
Graham CountyAttainment/Unclassifiable.
Each Individual Township
Granville CountyAttainment/Unclassifiable.
Each Individual Township
Greene CountyAttainment/Unclassifiable.
Each Individual Township
Guilford CountyAttainment/Unclassifiable.
Each Individual Township
Halifax CountyAttainment/Unclassifiable.
Each Individual Township
Harnett CountyAttainment/Unclassifiable.
Each Individual Township
Haywood CountyAttainment/Unclassifiable.
All Townships except Beaverdam Township.
Beaverdam Township4/30/2021
Henderson CountyAttainment/Unclassifiable.
Each Individual Township
Hertford CountyAttainment/Unclassifiable.
Each Individual Township
Hoke CountyAttainment/Unclassifiable.
Each Individual Township
Hyde CountyAttainment/Unclassifiable.
Each Individual Township
Iredell CountyAttainment/Unclassifiable.
Each Individual Township
Jackson CountyAttainment/Unclassifiable.
Each Individual Township
Johnston CountyAttainment/Unclassifiable.
Each Individual Township
Jones CountyAttainment/Unclassifiable.
Each Individual Township
Lee CountyAttainment/Unclassifiable.
Each Individual Township
Lenoir CountyAttainment/Unclassifiable.
Each Individual Township
Lincoln CountyAttainment/Unclassifiable.
Each Individual Township
McDowell CountyAttainment/Unclassifiable.
Each Individual Township
Macon CountyAttainment/Unclassifiable.
Each Individual Township
Madison CountyAttainment/Unclassifiable.
Each Individual Township
Martin CountyAttainment/Unclassifiable.
Each Individual Township
Mecklenburg CountyAttainment/Unclassifiable.
Each Individual Township
Mitchell CountyAttainment/Unclassifiable.
Each Individual Township
Montgomery CountyAttainment/Unclassifiable.
Each Individual Township
Moore CountyAttainment/Unclassifiable.
Each Individual Township
Nash CountyAttainment/Unclassifiable.
Each Individual Township
New Hanover CountyAttainment/Unclassifiable.
Each Individual Township
Northampton CountyAttainment/Unclassifiable.
Each Individual Township
Onslow CountyAttainment/Unclassifiable.
Each Individual Township
Orange CountyAttainment/Unclassifiable.
Each Individual Township
Pamlico CountyAttainment/Unclassifiable.
Each Individual Township
Pasquotank CountyAttainment/Unclassifiable.
Each Individual Township
Pender CountyAttainment/Unclassifiable.
Each Individual Township
Perquimans CountyAttainment/Unclassifiable.
Each Individual Township
Person CountyAttainment/Unclassifiable.
All Townships except Cunningham Township.
Cunningham Township4/30/2021
Pitt CountyAttainment/Unclassifiable.
Each Individual Township
Polk CountyAttainment/Unclassifiable.
Each Individual Township
Randolph CountyAttainment/Unclassifiable.
Each Individual Township
Richmond CountyAttainment/Unclassifiable.
Each Individual Township
Robeson CountyAttainment/Unclassifiable.
Each Individual Township
Rockingham CountyAttainment/Unclassifiable.
Each Individual Township
Rowan CountyAttainment/Unclassifiable.
Each Individual Township
Rutherford CountyAttainment/Unclassifiable.
Each Individual Township
Sampson CountyAttainment/Unclassifiable.
Each Individual Township
Scotland CountyAttainment/Unclassifiable.
Each Individual Township
Stanly CountyAttainment/Unclassifiable.
Each Individual Township
Stokes CountyAttainment/Unclassifiable.
Each Individual Township
Surry CountyAttainment/Unclassifiable.
Each Individual Township
Swain CountyAttainment/Unclassifiable.
Each Individual Township
Transylvania CountyAttainment/Unclassifiable.
Each Individual Township
Tyrrell CountyAttainment/Unclassifiable.
Each Individual Township
Union CountyAttainment/Unclassifiable.
Each Individual Township
Vance CountyAttainment/Unclassifiable.
Each Individual Township
Wake CountyAttainment/Unclassifiable.
Each Individual Township
Warren CountyAttainment/Unclassifiable.
Each Individual Township
Washington CountyAttainment/Unclassifiable.
Each Individual Township
Watauga CountyAttainment/Unclassifiable.
Each Individual Township
Wayne CountyAttainment/Unclassifiable.
Each Individual Township
Wilkes CountyAttainment/Unclassifiable.
Each Individual Township
Wilson CountyAttainment/Unclassifiable.
Each Individual Township
Yadkin CountyAttainment/Unclassifiable.
Each Individual Township
Yancey CountyAttainment/Unclassifiable.
Each Individual Township

1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2 This date is April 9, 2018, unless otherwise noted.

North Carolina—Carbon Monoxide

Designated Area Designation Classification
Date 1 Type Date 1 Type
Winston-Salem Area
Forsyth County11/7/1994
StatewideUnclassifiable/Attainment
Alamance County
Alexander County
Alleghany County
Anson County
Ashe County
Avery County
Beaufort County
Bertie County
Bladen County
Brunswick County
Buncombe County
Burke County
Cabarrus County
Caldwell County
Camden County
Carteret County
Caswell County
Catawba County
Chatham County
Cherokee County
Chowan County
Clay County
Cleveland County
Columbus County
Craven County
Cumberland County
Currituck County
Dare County
Davidson County
Davie County
Duplin County
Durham County9/18/1995
Edgecombe County
Franklin County
Gaston County
Gates County
Graham County
Granville County
Greene County
Guilford County
Halifax County
Harnett County
Haywood County
Henderson County
Hertford County
Hoke County
Hyde County
Iredell County
Jackson County
Johnston County
Jones County
Lee County
Lenoir County
Lincoln County
Macon County
Madison County
Martin County
McDowell County
Mecklenburg County9/18/1995
Mitchell County
Montgomery County
Moore County
Nash County
New Hanover County
Northampton County
Onslow County
Orange County
Pamlico County
Pasquotank County
Pender County
Perquimans County
Person County
Pitt County
Polk County
Randolph County
Richmond County
Robeson County
Rockingham County
Rowan County
Rutherford County
Sampson County
Scotland County
Stanly County
Stokes County
Surry County
Swain County
Transylvania County
Tyrrell County
Union County
Vance County
Wake County9/18/1995
Warren County
Washington County
Watauga County
Wayne County
Wilkes County
Wilson County
Yadkin County
Yancey County

1 This date is November 15, 1990, unless otherwise noted.

North Carolina—Ozone (1-Hour Standard) 2

Designated area Designation Classification
Date 1 Type Date 1 Type
StatewideUnclassifiable/Attainment
Alamance County
Alexander County
Alleghany County
Anson County
Ashe County
Avery County
Beaufort County
Bertie County
Bladen County
Brunswick County
Buncombe County
Burke County
Cabarrus County
Caldwell County
Camden County
Carteret County
Caswell County
Catawba County
Chatham County
Cherokee County
Chowan County
Clay County
Cleveland County
Columbus County
Craven County
Cumberland County
Currituck County
Dare County
Davidson County
Davie County
Durham County
Duplin County
Edgecombe County
Forsyth County
Franklin County
Gaston County
Gates County
Graham County
Granville County
Greene County
Guilford County
Halifax County
Harnett County
Haywood County
Henderson County
Hertford County
Hoke County
Hyde County
Iredell County
Jackson County
Johnston County
Jones County
Lee County
Lenoir County
Lincoln County
McDowell County
Macon County
Madison County
Martin County
Mecklenburg County
Mitchell County
Montgomery County
Moore County
Nash County
New Hanover County
Northhampton County
Onslow County
Orange County
Pamlico County
Pasquotank County
Pender County
Perquimans County
Person County
Pitt County
Polk County
Randolph County
Richmond County
Robeson County
Rockingham County
Rowan County
Rutherford County
Sampson County
Scotland County
Stanly County
Stokes County
Surry County
Swain County
Transylvania County
Tyrrell County
Union County
Vance County
Wake County
Warren County
Washington County
Watauga County
Wayne County
Wilkes County
Wilson County
Yadkin County
Yancey County

1 This date is October 18, 2000, unless otherwise noted.

2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in North Carolina except the Cumberland Co. (Fayetteville), Triad (Greensboro-Winston-Salem-High Point), and Unifour (Hickory-Morgantown-Lenoir areas where it is revoked effective April 15, 2009.

North Carolina—1997 Annual PM2.5NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date 2 Type
Greensboro-Winston Salem-High Point, NC:
Davidson County12/19/2011Attainment.
Guilford County12/19/2011Attainment.
Hickory-Morganton-Lenoir, NC:
Catawba County12/19/2011Attainment.
Rest of State:
Alamance CountyUnclassifiable/Attainment.
Alexander CountyUnclassifiable/Attainment.
Alleghany CountyUnclassifiable/Attainment.
Anson CountyUnclassifiable/Attainment.
Ashe CountyUnclassifiable/Attainment.
Avery CountyUnclassifiable/Attainment.
Beaufort CountyUnclassifiable/Attainment.
Bertie CountyUnclassifiable/Attainment.
Bladen CountyUnclassifiable/Attainment.
Brunswick CountyUnclassifiable/Attainment.
Buncombe CountyUnclassifiable/Attainment.
Burke CountyUnclassifiable/Attainment.
Cabarrus CountyUnclassifiable/Attainment.
Caldwell CountyUnclassifiable/Attainment.
Camden CountyUnclassifiable/Attainment.
Carteret CountyUnclassifiable/Attainment.
Caswell CountyUnclassifiable/Attainment.
Catawba CountyUnclassifiable/Attainment.
Chatham CountyUnclassifiable/Attainment.
Cherokee CountyUnclassifiable/Attainment.
Chowan CountyUnclassifiable/Attainment.
Clay CountyUnclassifiable/Attainment.
Cleveland CountyUnclassifiable/Attainment.
Columbus CountyUnclassifiable/Attainment.
Craven CountyUnclassifiable/Attainment.
Cumberland CountyUnclassifiable/Attainment.
Currituck CountyUnclassifiable/Attainment.
Dare CountyUnclassifiable/Attainment.
Davidson CountyUnclassifiable/Attainment.
Davie CountyUnclassifiable/Attainment.
Duplin CountyUnclassifiable/Attainment.
Durham CountyUnclassifiable/Attainment.
Edgecombe CountyUnclassifiable/Attainment.
Forsyth CountyUnclassifiable/Attainment.
Franklin CountyUnclassifiable/Attainment.
Gaston CountyUnclassifiable/Attainment.
Gates CountyUnclassifiable/Attainment.
Graham CountyUnclassifiable/Attainment.
Granville CountyUnclassifiable/Attainment.
Greene CountyUnclassifiable/Attainment.
Guilford CountyUnclassifiable/Attainment.
Halifax CountyUnclassifiable/Attainment.
Harnett CountyUnclassifiable/Attainment.
Haywood CountyUnclassifiable/Attainment.
Henderson CountyUnclassifiable/Attainment.
Hertford CountyUnclassifiable/Attainment.
Hoke CountyUnclassifiable/Attainment.
Hyde CountyUnclassifiable/Attainment.
Iredell CountyUnclassifiable/Attainment.
Jackson CountyUnclassifiable/Attainment.
Johnston CountyUnclassifiable/Attainment.
Jones CountyUnclassifiable/Attainment.
Lee CountyUnclassifiable/Attainment.
Lenoir CountyUnclassifiable/Attainment.
Lincoln CountyUnclassifiable/Attainment.
McDowell CountyUnclassifiable/Attainment.
Macon CountyUnclassifiable/Attainment.
Madison CountyUnclassifiable/Attainment.
Martin CountyUnclassifiable/Attainment.
Mecklenburg CountyUnclassifiable/Attainment.
Mitchell CountyUnclassifiable/Attainment.
Montgomery CountyUnclassifiable/Attainment.
Moore CountyUnclassifiable/Attainment.
Nash CountyUnclassifiable/Attainment.
New Hanover CountyUnclassifiable/Attainment.
Northampton CountyUnclassifiable/Attainment.
Onslow CountyUnclassifiable/Attainment.
Orange CountyUnclassifiable/Attainment.
Pamlico CountyUnclassifiable/Attainment.
Pasquotank CountyUnclassifiable/Attainment.
Pender CountyUnclassifiable/Attainment.
Perquimans CountyUnclassifiable/Attainment.
Person CountyUnclassifiable/Attainment.
Pitt CountyUnclassifiable/Attainment.
Polk CountyUnclassifiable/Attainment.
Randolph CountyUnclassifiable/Attainment.
Richmond CountyUnclassifiable/Attainment.
Robeson CountyUnclassifiable/Attainment.
Rockingham CountyUnclassifiable/Attainment.
Rowan CountyUnclassifiable/Attainment.
Rutherford CountyUnclassifiable/Attainment.
Sampson CountyUnclassifiable/Attainment.
Scotland CountyUnclassifiable/Attainment.
Stanly CountyUnclassifiable/Attainment.
Stokes CountyUnclassifiable/Attainment.
Surry CountyUnclassifiable/Attainment.
Swain CountyUnclassifiable/Attainment.
Transylvania CountyUnclassifiable/Attainment.
Tyrrell CountyUnclassifiable/Attainment.
Union CountyUnclassifiable/Attainment.
Vance CountyUnclassifiable/Attainment.
Wake CountyUnclassifiable/Attainment.
Warren CountyUnclassifiable/Attainment.
Washington CountyUnclassifiable/Attainment.
Watauga CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Wilkes CountyUnclassifiable/Attainment.
Wilson CountyUnclassifiable/Attainment.
Yadkin CountyUnclassifiable/Attainment.
Yancey CountyUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 30 days after November 13, 2009, unless otherwise noted.

North Carolina—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification
Date 2 Type Date 2 Type
Statewide:
Alamance CountyUnclassifiable/Attainment
Alexander CountyUnclassifiable/Attainment
Alleghany CountyUnclassifiable/Attainment
Anson CountyUnclassifiable/Attainment
Ashe CountyUnclassifiable/Attainment
Avery CountyUnclassifiable/Attainment
Beaufort CountyUnclassifiable/Attainment
Bertie CountyUnclassifiable/Attainment
Bladen CountyUnclassifiable/Attainment
Brunswick CountyUnclassifiable/Attainment
Buncombe CountyUnclassifiable/Attainment
Burke CountyUnclassifiable/Attainment
Cabarrus CountyUnclassifiable/Attainment
Caldwell CountyUnclassifiable/Attainment
Camden CountyUnclassifiable/Attainment
Carteret CountyUnclassifiable/Attainment
Caswell CountyUnclassifiable/Attainment
Catawba CountyUnclassifiable/Attainment
Chatham CountyUnclassifiable/Attainment
Cherokee CountyUnclassifiable/Attainment
Chowan CountyUnclassifiable/Attainment
Clay CountyUnclassifiable/Attainment
Cleveland CountyUnclassifiable/Attainment
Columbus CountyUnclassifiable/Attainment
Craven CountyUnclassifiable/Attainment
Cumberland CountyUnclassifiable/Attainment
Currituck CountyUnclassifiable/Attainment
Dare CountyUnclassifiable/Attainment
Davidson CountyUnclassifiable/Attainment
Davie CountyUnclassifiable/Attainment
Duplin CountyUnclassifiable/Attainment
Durham CountyUnclassifiable/Attainment
Edgecombe CountyUnclassifiable/Attainment
Forsyth CountyUnclassifiable/Attainment
Franklin CountyUnclassifiable/Attainment
Gaston CountyUnclassifiable/Attainment
Gates CountyUnclassifiable/Attainment
Graham CountyUnclassifiable/Attainment
Granville CountyUnclassifiable/Attainment
Greene CountyUnclassifiable/Attainment
Guilford CountyUnclassifiable/Attainment
Halifax CountyUnclassifiable/Attainment
Harnett CountyUnclassifiable/Attainment
Haywood CountyUnclassifiable/Attainment
Henderson CountyUnclassifiable/Attainment
Hertford CountyUnclassifiable/Attainment
Hoke CountyUnclassifiable/Attainment
Hyde CountyUnclassifiable/Attainment
Iredell CountyUnclassifiable/Attainment
Jackson CountyUnclassifiable/Attainment
Johnston CountyUnclassifiable/Attainment
Jones CountyUnclassifiable/Attainment
Lee CountyUnclassifiable/Attainment
Lenoir CountyUnclassifiable/Attainment
Lincoln CountyUnclassifiable/Attainment
McDowell CountyUnclassifiable/Attainment
Macon CountyUnclassifiable/Attainment
Madison CountyUnclassifiable/Attainment
Martin CountyUnclassifiable/Attainment
Mecklenburg CountyUnclassifiable/Attainment
Mitchell CountyUnclassifiable/Attainment
Montgomery CountyUnclassifiable/Attainment
Moore CountyUnclassifiable/Attainment
Nash CountyUnclassifiable/Attainment
New Hanover CountyUnclassifiable/Attainment
Northampton CountyUnclassifiable/Attainment
Onslow CountyUnclassifiable/Attainment
Orange CountyUnclassifiable/Attainment
Pamlico CountyUnclassifiable/Attainment
Pasquotank CountyUnclassifiable/Attainment
Pender CountyUnclassifiable/Attainment
Perquimans CountyUnclassifiable/Attainment
Person CountyUnclassifiable/Attainment
Pitt CountyUnclassifiable/Attainment
Polk CountyUnclassifiable/Attainment
Randolph CountyUnclassifiable/Attainment
Richmond CountyUnclassifiable/Attainment
Robeson CountyUnclassifiable/Attainment
Rockingham CountyUnclassifiable/Attainment
Rowan CountyUnclassifiable/Attainment
Rutherford CountyUnclassifiable/Attainment
Sampson CountyUnclassifiable/Attainment
Scotland CountyUnclassifiable/Attainment
Stanly CountyUnclassifiable/Attainment
Stokes CountyUnclassifiable/Attainment
Surry CountyUnclassifiable/Attainment
Swain CountyUnclassifiable/Attainment
Transylvania CountyUnclassifiable/Attainment
Tyrrell CountyUnclassifiable/Attainment
Union CountyUnclassifiable/Attainment
Vance CountyUnclassifiable/Attainment
Wake CountyUnclassifiable/Attainment
Warren CountyUnclassifiable/Attainment
Washington CountyUnclassifiable/Attainment
Watauga CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment
Wilkes CountyUnclassifiable/Attainment
Wilson CountyUnclassifiable/Attainment
Yadkin CountyUnclassifiable/Attainment
Yancey CountyUnclassifiable/Attainment

1 Includes areas of Indian country located in each county or area, except as otherwise specified.

2 This date is April 15, 2015, unless otherwise noted.

North Carolina—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date Type
Statewide:
Alamance CountyUnclassifiable/Attainment.
Alexander CountyUnclassifiable/Attainment.
Alleghany CountyUnclassifiable/Attainment.
Anson CountyUnclassifiable/Attainment.
Ashe CountyUnclassifiable/Attainment.
Avery CountyUnclassifiable/Attainment.
Beaufort CountyUnclassifiable/Attainment.
Bertie CountyUnclassifiable/Attainment.
Bladen CountyUnclassifiable/Attainment.
Brunswick CountyUnclassifiable/Attainment.
Buncombe CountyUnclassifiable/Attainment.
Burke CountyUnclassifiable/Attainment.
Cabarrus CountyUnclassifiable/Attainment.
Caldwell CountyUnclassifiable/Attainment.
Camden CountyUnclassifiable/Attainment.
Carteret CountyUnclassifiable/Attainment.
Caswell CountyUnclassifiable/Attainment.
Chatham CountyUnclassifiable/Attainment.
Cherokee CountyUnclassifiable/Attainment.
Chowan CountyUnclassifiable/Attainment.
Clay CountyUnclassifiable/Attainment.
Cleveland CountyUnclassifiable/Attainment.
Columbus CountyUnclassifiable/Attainment.
Craven CountyUnclassifiable/Attainment.
Cumberland CountyUnclassifiable/Attainment.
Currituck CountyUnclassifiable/Attainment.
Dare CountyUnclassifiable/Attainment.
Davidson CountyUnclassifiable/Attainment.
Davie CountyUnclassifiable/Attainment.
Duplin CountyUnclassifiable/Attainment.
Durham CountyUnclassifiable/Attainment.
Edgecombe CountyUnclassifiable/Attainment.
Forsyth CountyUnclassifiable/Attainment.
Franklin CountyUnclassifiable/Attainment.
Gaston CountyUnclassifiable/Attainment.
Gates CountyUnclassifiable/Attainment.
Graham CountyUnclassifiable/Attainment.
Granville CountyUnclassifiable/Attainment.
Greene CountyUnclassifiable/Attainment.
Guilford CountyUnclassifiable/Attainment.
Halifax CountyUnclassifiable/Attainment.
Harnett CountyUnclassifiable/Attainment.
Haywood CountyUnclassifiable/Attainment.
Henderson CountyUnclassifiable/Attainment.
Hertford CountyUnclassifiable/Attainment.
Hoke CountyUnclassifiable/Attainment.
Hyde CountyUnclassifiable/Attainment.
Iredell CountyUnclassifiable/Attainment.
Jackson CountyUnclassifiable/Attainment.
Johnston CountyUnclassifiable/Attainment.
Jones CountyUnclassifiable/Attainment.
Lee CountyUnclassifiable/Attainment.
Lenoir CountyUnclassifiable/Attainment.
Lincoln CountyUnclassifiable/Attainment.
McDowell CountyUnclassifiable/Attainment.
Macon CountyUnclassifiable/Attainment.
Madison CountyUnclassifiable/Attainment.
Martin CountyUnclassifiable/Attainment.
Mecklenburg CountyUnclassifiable/Attainment.
Mitchell CountyUnclassifiable/Attainment.
Montgomery CountyUnclassifiable/Attainment.
Moore CountyUnclassifiable/Attainment.
Nash CountyUnclassifiable/Attainment.
New Hanover CountyUnclassifiable/Attainment.
Northampton CountyUnclassifiable/Attainment.
Onslow CountyUnclassifiable/Attainment.
Orange CountyUnclassifiable/Attainment.
Pamlico CountyUnclassifiable/Attainment.
Pasquotank CountyUnclassifiable/Attainment.
Pender CountyUnclassifiable/Attainment.
Perquimans CountyUnclassifiable/Attainment.
Person CountyUnclassifiable/Attainment.
Pitt CountyUnclassifiable/Attainment.
Polk CountyUnclassifiable/Attainment.
Randolph CountyUnclassifiable/Attainment.
Richmond CountyUnclassifiable/Attainment.
Robeson CountyUnclassifiable/Attainment.
Rockingham CountyUnclassifiable/Attainment.
Rowan CountyUnclassifiable/Attainment.
Rutherford CountyUnclassifiable/Attainment.
Sampson CountyUnclassifiable/Attainment.
Scotland CountyUnclassifiable/Attainment.
Stanly CountyUnclassifiable/Attainment.
Stokes CountyUnclassifiable/Attainment.
Surry CountyUnclassifiable/Attainment.
Swain CountyUnclassifiable/Attainment.
Transylvania CountyUnclassifiable/Attainment.
Tyrrell CountyUnclassifiable/Attainment.
Union CountyUnclassifiable/Attainment.
Vance CountyUnclassifiable/Attainment.
Wake CountyUnclassifiable/Attainment.
Warren CountyUnclassifiable/Attainment.
Washington CountyUnclassifiable/Attainment.
Watauga CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Wilkes CountyUnclassifiable/Attainment.
Wilson CountyUnclassifiable/Attainment.
Yadkin CountyUnclassifiable/Attainment.
Yancey CountyUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 90 days after January 5, 2005, unless otherwise noted.

North Carolina—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date Type
Statewide:
Alamance CountyUnclassifiable/Attainment.
Alexander CountyUnclassifiable/Attainment.
Alleghany CountyUnclassifiable/Attainment.
Anson CountyUnclassifiable/Attainment.
Ashe CountyUnclassifiable/Attainment.
Avery CountyUnclassifiable/Attainment.
Beaufort CountyUnclassifiable/Attainment.
Bertie CountyUnclassifiable/Attainment.
Bladen CountyUnclassifiable/Attainment.
Brunswick CountyUnclassifiable/Attainment.
Buncombe CountyUnclassifiable/Attainment.
Burke CountyUnclassifiable/Attainment.
Cabarrus CountyUnclassifiable/Attainment.
Caldwell CountyUnclassifiable/Attainment.
Camden CountyUnclassifiable/Attainment.
Carteret CountyUnclassifiable/Attainment.
Caswell CountyUnclassifiable/Attainment.
Catawba CountyUnclassifiable/Attainment.
Chatham CountyUnclassifiable/Attainment.
Cherokee CountyUnclassifiable/Attainment.
Chowan CountyUnclassifiable/Attainment.
Clay CountyUnclassifiable/Attainment.
Cleveland CountyUnclassifiable/Attainment.
Columbus CountyUnclassifiable/Attainment.
Craven CountyUnclassifiable/Attainment.
Cumberland CountyUnclassifiable/Attainment.
Currituck CountyUnclassifiable/Attainment.
Dare CountyUnclassifiable/Attainment.
Davidson CountyUnclassifiable/Attainment.
Davie CountyUnclassifiable/Attainment.
Duplin CountyUnclassifiable/Attainment.
Durham CountyUnclassifiable/Attainment.
Edgecombe CountyUnclassifiable/Attainment.
Forsyth CountyUnclassifiable/Attainment.
Franklin CountyUnclassifiable/Attainment.
Gaston CountyUnclassifiable/Attainment.
Gates CountyUnclassifiable/Attainment.
Graham CountyUnclassifiable/Attainment.
Granville CountyUnclassifiable/Attainment.
Greene CountyUnclassifiable/Attainment.
Guilford CountyUnclassifiable/Attainment.
Halifax CountyUnclassifiable/Attainment.
Harnett CountyUnclassifiable/Attainment.
Haywood CountyUnclassifiable/Attainment.
Henderson CountyUnclassifiable/Attainment.
Hertford CountyUnclassifiable/Attainment.
Hoke CountyUnclassifiable/Attainment.
Hyde CountyUnclassifiable/Attainment.
Iredell CountyUnclassifiable/Attainment.
Jackson CountyUnclassifiable/Attainment.
Johnston CountyUnclassifiable/Attainment.
Jones CountyUnclassifiable/Attainment.
Lee CountyUnclassifiable/Attainment.
Lenoir CountyUnclassifiable/Attainment.
Lincoln CountyUnclassifiable/Attainment.
McDowell CountyUnclassifiable/Attainment.
Macon CountyUnclassifiable/Attainment.
Madison CountyUnclassifiable/Attainment.
Martin CountyUnclassifiable/Attainment.
Mecklenburg CountyUnclassifiable/Attainment.
Mitchell CountyUnclassifiable/Attainment.
Montgomery CountyUnclassifiable/Attainment.
Moore CountyUnclassifiable/Attainment.
Nash CountyUnclassifiable/Attainment.
New Hanover CountyUnclassifiable/Attainment.
Northampton CountyUnclassifiable/Attainment.
Onslow CountyUnclassifiable/Attainment.
Orange CountyUnclassifiable/Attainment.
Pamlico CountyUnclassifiable/Attainment.
Pasquotank CountyUnclassifiable/Attainment.
Pender CountyUnclassifiable/Attainment.
Perquimans CountyUnclassifiable/Attainment.
Person CountyUnclassifiable/Attainment.
Pitt CountyUnclassifiable/Attainment.
Polk CountyUnclassifiable/Attainment.
Randolph CountyUnclassifiable/Attainment.
Richmond CountyUnclassifiable/Attainment.
Robeson CountyUnclassifiable/Attainment.
Rockingham CountyUnclassifiable/Attainment.
Rowan CountyUnclassifiable/Attainment.
Rutherford CountyUnclassifiable/Attainment.
Sampson CountyUnclassifiable/Attainment.
Scotland CountyUnclassifiable/Attainment.
Stanly CountyUnclassifiable/Attainment.
Stokes CountyUnclassifiable/Attainment.
Surry CountyUnclassifiable/Attainment.
Swain CountyUnclassifiable/Attainment.
Transylvania CountyUnclassifiable/Attainment.
Tyrrell CountyUnclassifiable/Attainment.
Union CountyUnclassifiable/Attainment.
Vance CountyUnclassifiable/Attainment.
Wake CountyUnclassifiable/Attainment.
Warren CountyUnclassifiable/Attainment.
Washington CountyUnclassifiable/Attainment.
Watauga CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Wilkes CountyUnclassifiable/Attainment.
Wilson CountyUnclassifiable/Attainment.
Yadkin CountyUnclassifiable/Attainment.
Yancey CountyUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 30 days after November 13, 2009, unless otherwise noted.

North Carolina—NO2 (1971 Annual Standard)

Designated areas Does not meet primary standards Cannot be classified or better than national standards
Alamance CountyX
Alexander CountyX
Alleghany CountyX
Anson CountyX
Ashe CountyX
Avery CountyX
Beaufort CountyX
Bertie CountyX
Bladen CountyX
Brunswick CountyX
Buncombe CountyX
Burke CountyX
Cabarrus CountyX
Caldwell CountyX
Camden CountyX
Carteret CountyX
Caswell CountyX
Catawba CountyX
Chatham CountyX
Cherokee CountyX
Chowan CountyX
Clay CountyX
Cleveland CountyX
Columbus CountyX
Craven CountyX
Cumberland CountyX
Currituck CountyX
Dare CountyX
Davidson CountyX
Davie CountyX
Duplin CountyX
Durham CountyX
Edgecombe CountyX
Forsyth CountyX
Franklin CountyX
Gaston CountyX
Gates CountyX
Graham CountyX
Granville CountyX
Greene CountyX
Guilford CountyX
Halifax CountyX
Harnett CountyX
Haywood CountyX
Henderson CountyX
Hertford CountyX
Hoke CountyX
Hyde CountyX
Iredell CountyX
Jackson CountyX
Jones CountyX
Lee CountyX
Lenoir CountyX
Lincoln CountyX
McDowell CountyX
Macon CountyX
Madison CountyX
Martin CountyX
Mecklenburg CountyX
Mitchell CountyX
Montgomery CountyX
Moore CountyX
Nash CountyX
New Hanover CountyX
Northampton CountyX
Onslow CountyX
Orange CountyX
Pamlico CountyX
Pasquotank CountyX
Pender CountyX
Perquimans CountyX
Person CountyX
Pitt CountyX
Polk CountyX
Randolph CountyX
Richmond CountyX
Robeson CountyX
Rockingham CountyX
Rowan CountyX
Rutherford CountyX
Sampson CountyX
Scotland CountyX
Stanly CountyX
Stokes CountyX
Surry CountyX
Swain CountyX
Transylvania CountyX
Tyrrell CountyX
Union CountyX
Vance CountyX
Wake CountyX
Warren CountyX
Washington CountyX
Watauga CountyX
Wayne CountyX
Wilkes CountyX
Wilson CountyX

North Carolina—NO2 (2010 1-Hour Standard)

Designated area Designation a
Date 1 Type
Buncombe County (part)Unclassifiable/Attainment.
Asheville Township, Avery Creek Township, Limestone Township, Lower Hominy Township, Reems Creek Township, Swannanoa Township
Buncombe County (remainder of county)Unclassifiable/Attainment.
Each Individual Township:
Caswell County (part)Unclassifiable/Attainment.
Dan River Township, Yanceyville Township
Caswell County (rest of county)Unclassifiable/Attainment.
Each Individual Township
Forsyth County (part)Unclassifiable/Attainment.
Abbotts Creek Township, Broadbay Township, Kernersville Township, Middle Fork Township, Old Town Township, South Fork Township, Winston Township
Forsyth County (rest of county)Unclassifiable/Attainment.
Each Individual Township
Guilford County (part)Unclassifiable/Attainment.
Bruce Township, Center Grove Township, Deep River Township, Fentress Township, Friendship Township, Gilmer Township, High Point Township, Jamestown Township, Jefferson Township, Monroe Township, Morehead Township, Sumner Township
Guilford County (rest of county)Unclassifiable/Attainment.
Each Individual Township
Mecklenburg County (part)Unclassifiable/Attainment.
Township 1 Charlotte, Township 2 Berryhill, Township 5 Providence, Township 7 Crab Orchard, Township 12 Paw Creek
Mecklenburg County (rest of county)Unclassifiable/Attainment.
Each Individual Township
New Hanover County (part)Unclassifiable/Attainment.
Harnett Township, Masonboro Township, Wilmington Township
New Hanover County (rest of county)Unclassifiable/Attainment.
Each Individual Township
Wake County (part)Unclassifiable/Attainment.
Cary Township, Meredith Township
Wake County (rest of county)Unclassifiable/Attainment.
Each Individual Township
Rest of State:
Each Individual TownshipUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is 90 days after October 31, 2011, unless otherwise noted.

North Carolina—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation a Category/classification
Date 1 Type Date 1 Type
Charlotte-Gastonia-Rock Hill, NC-SCThis action is effective 12/2/2013Attainment
Cabarrus CountyThis action is effective 12/2/2013Attainment
Gaston CountyThis action is effective 12/2/2013Attainment
Iredell County (part) Davidson Township, Coddle Creek TownshipThis action is effective 12/2/2013Attainment
Lincoln CountyThis action is effective 12/2/2013Attainment
Mecklenburg CountyThis action is effective 12/2/2013Attainment
Rowan CountyThis action is effective 12/2/2013Attainment
Union CountyThis action is effective 12/2/2013Attainment
Fayetteville, NC:
Cumberland County (2)Attainment
Greensboro-Winston-Salem-High Point, NC:
Alamance County (2)Attainment
Caswell County (2)Attainment
Davidson County (2)Attainment
Davie County (2)Attainment
Forsyth County (2)Attainment
Guilford County (2)Attainment
Randolph County (2)Attainment
Rockingham County (2)Attainment
Haywood and Swain Cos. (Great Smoky NP), NC:
Haywood County (part)This action is effective 12/07/2009Attainment
Swain County (part)This action is effective 12/07/2009Attainment
Hickory-Morganton-Lenoir, NC:
Alexander County (2)Attainment
Burke County (part) Unifour Metropolitan Planning Organization Boundary (2)Attainment
Caldwell County (part) Unifour Metropolitan Planning Organization Boundary (2)Attainment
Catawba County (2)Attainment
Raleigh-Durham-Chapel Hill, NC:
Chatham County (part) Baldwin Township, Center Township, New Hope Township, Williams TownshipThis action is effective December 26, 2007Attainment
Durham CountyThis action is effective December 26, 2007Attainment
Franklin CountyThis action is effective December 26, 2007Attainment
Granville CountyThis action is effective December 26, 2007Attainment
Johnston CountyThis action is effective December 26, 2007Attainment
Orange CountyThis action is effective December 26, 2007Attainment
Person CountyThis action is effective December 26, 2007Attainment
Wake CountyThis action is effective December 26, 2007Attainment
Rocky Mount, NC:
Edgecombe CountyJanuary 5, 2007Attainment
Nash CountyJanuary 5, 2007Attainment
Rest of State:Unclassifiable/Attainment
Alleghany County
Anson County
Ashe County
Avery County
Beaufort County
Bertie County
Bladen County
Brunswick County
Buncombe County
Burke County (part) remainder
Caldwell County (part) remainder
Camden County
Carteret County
Chatham County (part) remainder
Cherokee County
Chowan County
Clay County
Cleveland County
Columbus County
Craven County
Currituck County
Dare County
Duplin County
Gates County
Graham County
Greene County
Halifax County
Harnett County
Haywood County (part) remainder
Henderson County
Hertford County
Hoke County
Hyde County
Iredell County (part) remainder
Jackson County
Jones County
Lee County
Lenoir County
Macon County
Madison County
Martin County
McDowell County
Mitchell County
Montgomery County
Moore County
New Hanover County
Northampton County
Onslow County
Pamlico County
Pasquotank County
Pender County
Perquimans County
Pitt County
Polk County
Richmond County
Robeson County
Rutherford County
Sampson County
Scotland County
Stanly County
Stokes County
Surry County
Swain County (part) remainder
Transylvania County
Tyrrell County
Vance County
Warren County
Washington County
Watauga County
Wayne County
Wilkes County
Wilson County
Yadkin County
Yancey County

a Includes Indian Country located in each county or area, except as otherwise specified.

1 This date is June 15, 2004, unless otherwise noted.

2 Effective April 15, 2008.

3 November 22, 2004.

4 Attainment date extended to June 15, 2011.

North Carolina—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification
Date 1 Type Date 1 Type
Charlotte-Rock Hill, NC-SC 2This action is effective 7/28/2015Attainment
Cabarrus County (part)
Central Cabarrus Township, Concord Township, Georgeville Township, Harrisburg Township, Kannapolis Township, Midland Township, Mount Pleasant Township, New Gilead Township, Odell Township, Poplar Tent Township, Rimertown Township
Gaston County (part)
Crowders Mountain Township, Dallas Township, Gastonia Township, Riverbend Township, South Point Township
Iredell County (part)
Davidson Township, Coddle Creek Township
Lincoln County (part)
Catawba Springs Township, Ironton Township, Lincolnton Township
Mecklenburg County
Rowan County (part)
Atwell Township, China Grove Township, Franklin Township, Gold Hill Township, Litaker Township, Locke Township, Providence Township, Salisbury Township, Steele Township, Unity Township
Union County (part)
Goose Creek Township, Marshville Township, Monroe Township, Sandy Ridge Township, Vance Township
Rest of State: 3
Alamance CountyUnclassifiable/Attainment
Alexander CountyUnclassifiable/Attainment
Alleghany CountyUnclassifiable/Attainment
Anson CountyUnclassifiable/Attainment
Ashe CountyUnclassifiable/Attainment
Avery CountyUnclassifiable/Attainment
Beaufort CountyUnclassifiable/Attainment
Bertie CountyUnclassifiable/Attainment
Bladen CountyUnclassifiable/Attainment
Brunswick CountyUnclassifiable/Attainment
Buncombe CountyUnclassifiable/Attainment
Burke CountyUnclassifiable/Attainment
Cabarrus County (part)
Gold Hill TownshipUnclassifiable/Attainment
Caldwell CountyUnclassifiable/Attainment
Camden CountyUnclassifiable/Attainment
Carteret CountyUnclassifiable/Attainment
Caswell CountyUnclassifiable/Attainment
Catawba CountyUnclassifiable/Attainment
Chatham CountyUnclassifiable/Attainment
Cherokee CountyUnclassifiable/Attainment
Chowan CountyUnclassifiable/Attainment
Clay CountyUnclassifiable/Attainment
Cleveland CountyUnclassifiable/Attainment
Columbus CountyUnclassifiable/Attainment
Craven CountyUnclassifiable/Attainment
Cumberland CountyUnclassifiable/Attainment
Currituck CountyUnclassifiable/Attainment
Dare CountyUnclassifiable/Attainment
Davidson CountyUnclassifiable/Attainment
Davie CountyUnclassifiable/Attainment
Duplin CountyUnclassifiable/Attainment
Durham CountyUnclassifiable/Attainment
Edgecombe CountyUnclassifiable/Attainment
Forsyth CountyUnclassifiable/Attainment
Franklin CountyUnclassifiable/Attainment
Gaston County (part)
Cherryville
TownshipUnclassifiable/Attainment
Gates CountyUnclassifiable/Attainment
Graham CountyUnclassifiable/Attainment
Granville CountyUnclassifiable/Attainment
Greene CountyUnclassifiable/Attainment
Guilford CountyUnclassifiable/Attainment
Halifax CountyUnclassifiable/Attainment
Harnett CountyUnclassifiable/Attainment
Haywood CountyUnclassifiable/Attainment
Henderson CountyUnclassifiable/Attainment
Hertford CountyUnclassifiable/Attainment
Hoke CountyUnclassifiable/Attainment
Hyde CountyUnclassifiable/Attainment
Iredell County (part)
Barringer TownshipUnclassifiable/Attainment
Bethany TownshipUnclassifiable/Attainment
Chambersburg TownshipUnclassifiable/Attainment
Concord TownshipUnclassifiable/Attainment
Cool Springs TownshipUnclassifiable/Attainment
Eagle Mills TownshipUnclassifiable/Attainment
Fallstown TownshipUnclassifiable/Attainment
New Hope TownshipUnclassifiable/Attainment
Olin TownshipUnclassifiable/Attainment
Sharpesburg TownshipUnclassifiable/Attainment
Shiloh TownshipUnclassifiable/Attainment
Statesville TownshipUnclassifiable/Attainment
Turnersburg TownshipUnclassifiable/Attainment
Union Grove TownshipUnclassifiable/Attainment
Jackson CountyUnclassifiable/Attainment
Johnston CountyUnclassifiable/Attainment
Jones CountyUnclassifiable/Attainment
Lee CountyUnclassifiable/Attainment
Lenoir CountyUnclassifiable/Attainment
Lincoln County (part)
Howard's Creek TownshipUnclassifiable/Attainment
North Brook TownshipUnclassifiable/Attainment
Macon CountyUnclassifiable/Attainment
Madison CountyUnclassifiable/Attainment
Martin CountyUnclassifiable/Attainment
McDowell CountyUnclassifiable/Attainment
Mitchell CountyUnclassifiable/Attainment
Montgomery CountyUnclassifiable/Attainment
Moore CountyUnclassifiable/Attainment
Nash CountyUnclassifiable/Attainment
New Hanover CountyUnclassifiable/Attainment
Northampton CountyUnclassifiable/Attainment
Onslow CountyUnclassifiable/Attainment
Orange CountyUnclassifiable/Attainment
Pamlico CountyUnclassifiable/Attainment
Pasquotank CountyUnclassifiable/Attainment
Pender CountyUnclassifiable/Attainment
Perquimans CountyUnclassifiable/Attainment
Person CountyUnclassifiable/Attainment
Pitt CountyUnclassifiable/Attainment
Polk CountyUnclassifiable/Attainment
Randolph CountyUnclassifiable/Attainment
Richmond CountyUnclassifiable/Attainment
Robeson CountyUnclassifiable/Attainment
Rockingham CountyUnclassifiable/Attainment
Rowan County (part)
Cleveland TownshipUnclassifiable/Attainment
Morgan TownshipUnclassifiable/Attainment
Mount Ulla TownshipUnclassifiable/Attainment
Scotch Irish TownshipUnclassifiable/Attainment
Rutherford CountyUnclassifiable/Attainment
Sampson CountyUnclassifiable/Attainment
Scotland CountyUnclassifiable/Attainment
Stanly CountyUnclassifiable/Attainment
Stokes CountyUnclassifiable/Attainment
Surry CountyUnclassifiable/Attainment
Swain CountyUnclassifiable/Attainment
Transylvania CountyUnclassifiable/Attainment
Tyrrell CountyUnclassifiable/Attainment
Union County (part)
Buford TownshipUnclassifiable/Attainment
Jackson TownshipUnclassifiable/Attainment
Lanes Creek TownshipUnclassifiable/Attainment
New Salem TownshipUnclassifiable/Attainment
Vance CountyUnclassifiable/Attainment
Wake CountyUnclassifiable/Attainment
Warren CountyUnclassifiable/Attainment
Washington CountyUnclassifiable/Attainment
Watauga CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment
Wilkes CountyUnclassifiable/Attainment
Wilson CountyUnclassifiable/Attainment
Yadkin CountyUnclassifiable/Attainment
Yancey CountyUnclassifiable/Attainment

1 This date is July 20, 2012, unless otherwise noted.

2 Excludes Indian country located in each area, unless otherwise noted.

3 Includes any Indian country in each county or area, unless otherwise specified.

North Carolina—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1 Designation Classification
Date 2 Type Date Type
Alamance CountyAttainment/Unclassifiable
Alexander CountyAttainment/Unclassifiable
Alleghany CountyAttainment/Unclassifiable
Anson CountyAttainment/Unclassifiable
Ashe CountyAttainment/Unclassifiable
Avery CountyAttainment/Unclassifiable
Beaufort CountyAttainment/Unclassifiable
Bertie CountyAttainment/Unclassifiable
Bladen CountyAttainment/Unclassifiable
Brunswick CountyAttainment/Unclassifiable
Buncombe CountyAttainment/Unclassifiable
Burke CountyAttainment/Unclassifiable
Cabarrus CountyAttainment/Unclassifiable
Caldwell CountyAttainment/Unclassifiable
Camden CountyAttainment/Unclassifiable
Carteret CountyAttainment/Unclassifiable
Caswell CountyAttainment/Unclassifiable
Catawba CountyAttainment/Unclassifiable
Chatham CountyAttainment/Unclassifiable
Cherokee CountyAttainment/Unclassifiable
Chowan CountyAttainment/Unclassifiable
Clay CountyAttainment/Unclassifiable
Cleveland CountyAttainment/Unclassifiable
Columbus CountyAttainment/Unclassifiable
Craven CountyAttainment/Unclassifiable
Cumberland CountyAttainment/Unclassifiable
Currituck CountyAttainment/Unclassifiable
Dare CountyAttainment/Unclassifiable
Davidson CountyAttainment/Unclassifiable
Davie CountyAttainment/Unclassifiable
Duplin CountyAttainment/Unclassifiable
Durham CountyAttainment/Unclassifiable
Edgecombe CountyAttainment/Unclassifiable
Forsyth CountyAttainment/Unclassifiable
Franklin CountyAttainment/Unclassifiable
Gaston CountyAttainment/Unclassifiable
Gates CountyAttainment/Unclassifiable
Graham CountyAttainment/Unclassifiable
Granville CountyAttainment/Unclassifiable
Greene CountyAttainment/Unclassifiable
Guilford CountyAttainment/Unclassifiable
Halifax CountyAttainment/Unclassifiable
Harnett CountyAttainment/Unclassifiable
Haywood CountyAttainment/Unclassifiable
Henderson CountyAttainment/Unclassifiable
Hertford CountyAttainment/Unclassifiable
Hoke CountyAttainment/Unclassifiable
Hyde CountyAttainment/Unclassifiable
Iredell CountyAttainment/Unclassifiable
Jackson CountyAttainment/Unclassifiable
Johnston CountyAttainment/Unclassifiable
Jones CountyAttainment/Unclassifiable
Lee CountyAttainment/Unclassifiable
Lenoir CountyAttainment/Unclassifiable
Lincoln CountyAttainment/Unclassifiable
McDowell CountyAttainment/Unclassifiable
Macon CountyAttainment/Unclassifiable
Madison CountyAttainment/Unclassifiable
Martin CountyAttainment/Unclassifiable
Mecklenburg CountyAttainment/Unclassifiable
Mitchell CountyAttainment/Unclassifiable
Montgomery CountyAttainment/Unclassifiable
Moore CountyAttainment/Unclassifiable
Nash CountyAttainment/Unclassifiable
New Hanover CountyAttainment/Unclassifiable
Northampton CountyAttainment/Unclassifiable
Onslow CountyAttainment/Unclassifiable
Orange CountyAttainment/Unclassifiable
Pamlico CountyAttainment/Unclassifiable
Pasquotank CountyAttainment/Unclassifiable
Pender CountyAttainment/Unclassifiable
Perquimans CountyAttainment/Unclassifiable
Person CountyAttainment/Unclassifiable
Pitt CountyAttainment/Unclassifiable
Polk CountyAttainment/Unclassifiable
Randolph CountyAttainment/Unclassifiable
Richmond CountyAttainment/Unclassifiable
Robeson CountyAttainment/Unclassifiable
Rockingham CountyAttainment/Unclassifiable
Rowan CountyAttainment/Unclassifiable
Rutherford CountyAttainment/Unclassifiable
Sampson CountyAttainment/Unclassifiable
Scotland CountyAttainment/Unclassifiable
Stanly CountyAttainment/Unclassifiable
Stokes CountyAttainment/Unclassifiable
Surry CountyAttainment/Unclassifiable
Swain CountyAttainment/Unclassifiable
Transylvania CountyAttainment/Unclassifiable
Tyrrell CountyAttainment/Unclassifiable
Union CountyAttainment/Unclassifiable
Vance CountyAttainment/Unclassifiable
Wake CountyAttainment/Unclassifiable
Warren CountyAttainment/Unclassifiable
Washington CountyAttainment/Unclassifiable
Watauga CountyAttainment/Unclassifiable
Wayne CountyAttainment/Unclassifiable
Wilkes CountyAttainment/Unclassifiable
Wilson CountyAttainment/Unclassifiable
Yadkin CountyAttainment/Unclassifiable
Yancey CountyAttainment/Unclassifiable

1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2 This date is January 16, 2018, unless otherwise noted.

North Carolina—2008 Lead NAAQS

Designated area Designation for the 2008 NAAQS a
Date 1 Type
Whole StateUnclassifiable/Attainment.

a Includes Indian Country located in each county or area, except as otherwise specified.

1 December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978] Editorial Note:For Federal Register citations affecting § 81.334, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.
authority: 42 U.S.C. 7401,
source: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.
cite as: 40 CFR 81.334
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