Regulations last checked for updates: Dec 19, 2025

Title 40 - Protection of Environment last revised: Nov 19, 2028
All TitlesTitle 40Chapter IPart 81Subpart C - Subpart C—Section 107 Attainment Status Designations
View all text of Subpart C [§ 81.300 - § 81.356]
§ 81.339 - Pennsylvania.
Link to an amendment published at 90 FR 51561, Nov. 18, 2025.

Pennsylvania—TSP

Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
I. Metropolitan Philadelphia Interstate AQCR:
(A) City of Philadelphia:
Census tracts 1-12, 125-142, 144-157, 162-177, 190-205, 293, 294, 298-302, 315-321, 323, 325, 326, 329-332X
Census tracts 13-75, 143, 158-161, 178-189, 295-297, 322, 324, 327X
Balance of cityX
(B) Montgomery County:
Conshohocken BoroX
Pottstown BoroX
West Pottsgrove TownshipX
Upper Pottsgrove TownshipX
(C) Chester County:
South Coatesville BoroX
City of CoatesvilleX
(D) Bucks County: Doylestown TownshipX
(E) Remaining Pennsylvania Portions of AQCRX
II. Northeast Pennsylvania Interstate AQCR:
(A) Scranton, W-B Air Basin:
Lackawanna County: Throop BoroX
Luzerne County: City of Wilkes-BarreX
(B) A-B-E Air Basin:
Lehigh County:
Coplay BoroX
Whitehall TownshipX
Northampton County:
Northampton BoroX
Allen TownshipX
(C) Reading Air BasinX
(D) Carbon CountyX
(E) Remaining Portions of AQCRX
III. South Central Pennsylvania Intrastate AQCR:
(A) Harrisburg Air BasinX
(B) Lancaster Air Basin:
Lancaster County:
City of LancasterX
Manheim TownshipX
(C) York Air Basin:
York County:
City of YorkX
West York BoroX
West Manchester TownshipX
(D) Remaining Portions of AQCRX
IV. Central Pennsylvania Intrastate AQCR:
(A) Johnstown Air Basin: Cambria County:
City of JohnstownX
Dale BoroX
East Conemaugh BoroX
Franklin BoroX
East Taylor TwpX
Middle Taylor TwpX
West Taylor TwpX
(B) Blair County:
City of AltoonaX
Allegheny TownshipX
Logan TownshipX
(C) Remaining Portions of AQCRX
(D) Remaining Portions of AQCRX
V. Southwest Pennsylvania Intrastate AQCR:
(A) Monongahela Valley Air Basin:
Fayette CountyX
Washington CountyX
Westmoreland County:
City of MonessenX
Rostraver TownshipX
(B) Allegheny County Air Basin:
(1) A three mile wide strip which is within a perpendicular distance two miles north and east and one mile south and west of the river center line with terminus points as follows:
(a) The Beaver County line to the I-79 Bridge on the Ohio RiverX
(b) I-79 to the McKees Rocks Bridge on the Ohio RiverX
(c) McKees Rocks Bridge to the Birmingham Bridge on the Ohio and Monongahela RiversX
(d) Birmingham Bridge to the Glenwood Bridge on the Monongahela RiverX
(e) Glenwood Bridge to the Mansfield Bridge (Dravosburg) on the Monongahela RiverX
(f) Mansfield Bridge to the Westmoreland County line on the Monongahela RiverX
(2) The area within a half-mile radius of the Greater Pittsburgh Airport monitorX
(3) The one mile wide strip centered on Turtle Creek running from area (V)(B)(1)(e) above to the Westmoreland County lineX
(4) The Area #9 within Allegheny County within a radius of 2 miles of the Springdale MonitorX
(5) The remaining portions of the Allegheny County Air BasinX
(C) Lower Beaver Valley Air Basin:
(1) Aliquippa BoroX
(2) Baden BoroX
(3) Midland BoroX
(4) Remaining PortionsX
(D) Westmoreland CountyX
(E) Remaining Portions of AQCRX
VI. Northwest Penna. Interstate AQCR:
(A) Upper Beaver Valley Air Basin:
(1) Ellwood City BoroX
(2) City of New CastleX
(3) Remaining PortionsX
(B) Erie Air Basin:
City of ErieX
Wesleyville BoroX
Lawrence Park TownshipX
(C) Mercer County:
City of SharonX
City of FarrellX
Sharpsville BoroX
Wheatland BoroX
Hickory TownshipX
(D) Remaining Portions of AQCRX

Pennsylvania—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
I. Metropolitan Philadelphia Interstate AQCR:
(A) City of PhiladelphiaX
(B) Delaware CountyX
(C) Remaining Pennsylvania Portion of AQCRX
II. Northeast Pennsylvania Intrastate AQCRX
III. South Central Pennsylvania Intrastate AQCRX
IV. Central Pennsylvania Intrastate AQCR:X
V. Southwest Pennsylvania Intrastate AQCR:
(A) Monongahela Valley Air BasinX
(B) Allegheny County Air Basin:
(1) The areas within a two-mile radius of the Hazelwood monitorX
(2) That portion of Allegheny County within an eight-mile radius of the Duquesne Golf Association Club House in West Mifflin excluding the nonattainment area (#1)X
(3) The area within a two-mile radius of the Bellevue monitorX
(4) The remaining portions of the Allegheny County Air BasinX
(C) Beaver Valley Air Basin (Beaver County)X
(D) Armstrong County:
Madison TwpX
Mahoning TwpX
Boggs TwpX
Washington TwpX
Pine TwpX
(E) Remainder of AQCRX
VI. Northwest Pennsylvania Intrastate AQCR:
(A) Warren County:
Conewango TwpX
Mead TwpX
Clarendon BoroX
Warren BoroX
Pleasant TownshipX
Glade TownshipX
(B) Beaver Valley Air Basin (Lawrence County)X
(C) Remaining Pennsylvania Portion of the AQCRX

Pennsylvania—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1 Designation
Date 2 Type
Allegheny, PA
Allegheny County (part)5/28/2025Attainment.
The area consisting of:
Borough of Braddock
Borough of Dravosburg
Borough of East McKeesport
Borough of East Pittsburgh
Borough of Elizabeth
Borough of Glassport
Borough of Jefferson Hills
Borough of Liberty
Borough of Lincoln
Borough of North Braddock
Borough of Pleasant Hills
Borough of Port Vue
Borough of Versailles
Borough of Wall
Borough of West Elizabeth
Borough of West Mifflin
City of Clairton
City of Duquesne
City of McKeesport
Elizabeth Township
Forward Township
North Versailles Township
Beaver, PA
Beaver County (part)10/4/2013Nonattainment.
Area consisting of Industry Borough, Shippingport Borough, Midland Borough, Brighton Township, Potter Township and Vanport Township
Cambria-Westmoreland Area
Lower Yoder Township in Cambria County and St. Clair Township, Seward Borough, and New Florence Borough in Westmoreland County		1/16/2025Nonattainment.
Indiana, PA10/4/2013Nonattainment.
Indiana County
Armstrong County (part)
Area consisting of Plumcreek Township, South Bend Township, and Elderton Borough
Warren, PA
Warren County (part)10/4/2013Nonattainment.
Area consisting of Conewango Township, Glade Township, Pleasant Township, and the City of Warren
Allegheny (part)Unclassifiable.
Remainder of County
Cambria (part)1/16/2025Unclassifiable.
Carbon-Schuylkill AreaUnclassifiable.
Carbon County
Schuylkill County
Clearfield CountyUnclassifiable.
Lawrence CountyUnclassifiable.
Lehigh-Northampton AreaUnclassifiable.
Lehigh County
Northampton County
Adams CountyAttainment/Unclassifiable.
Armstrong County (part)Attainment/Unclassifiable.
Remainder of County
Beaver County (part)Attainment/Unclassifiable.
Remainder of County
Bedford CountyAttainment/Unclassifiable.
Berks CountyAttainment/Unclassifiable.
Blair CountyAttainment/Unclassifiable.
Bradford CountyAttainment/Unclassifiable.
Bucks CountyAttainment/Unclassifiable.
Butler CountyAttainment/Unclassifiable.
Cameron CountyAttainment/Unclassifiable.
Centre CountyAttainment/Unclassifiable.
Chester CountyAttainment/Unclassifiable.
Clarion CountyAttainment/Unclassifiable.
Clinton CountyAttainment/Unclassifiable.
Columbia CountyAttainment/Unclassifiable.
Crawford CountyAttainment/Unclassifiable.
Cumberland CountyAttainment/Unclassifiable.
Dauphin CountyAttainment/Unclassifiable.
Elk CountyAttainment/Unclassifiable.
Erie CountyAttainment/Unclassifiable.
Fayette CountyAttainment/Unclassifiable.
Forest CountyAttainment/Unclassifiable.
Franklin CountyAttainment/Unclassifiable.
Fulton CountyAttainment/Unclassifiable.
Greene CountyAttainment/Unclassifiable.
Huntingdon CountyAttainment/Unclassifiable.
Jefferson CountyAttainment/Unclassifiable.
Juniata CountyAttainment/Unclassifiable.
Lackawanna CountyAttainment/Unclassifiable.
Lancaster CountyAttainment/Unclassifiable.
Lebanon CountyAttainment/Unclassifiable.
Luzerne CountyAttainment/Unclassifiable.
Lycoming CountyAttainment/Unclassifiable.
McKean CountyAttainment/Unclassifiable.
Mercer CountyAttainment/Unclassifiable.
Mifflin CountyAttainment/Unclassifiable.
Monroe CountyAttainment/Unclassifiable.
Montgomery CountyAttainment/Unclassifiable.
Montour CountyAttainment/Unclassifiable.
Northumberland CountyAttainment/Unclassifiable.
Perry CountyAttainment/Unclassifiable.
Philadelphia-DelawareAttainment/Unclassifiable.
Delaware County
Philadelphia County
Pike CountyAttainment/Unclassifiable.
Potter CountyAttainment/Unclassifiable.
Snyder CountyAttainment/Unclassifiable.
Somerset CountyAttainment/Unclassifiable.
Sullivan CountyAttainment/Unclassifiable.
Susquehanna CountyAttainment/Unclassifiable.
Tioga CountyAttainment/Unclassifiable.
Union CountyAttainment/Unclassifiable.
Venango CountyAttainment/Unclassifiable.
Warren County (part)Attainment/Unclassifiable.
Remainder of County
Washington CountyAttainment/Unclassifiable.
Wayne CountyAttainment/Unclassifiable.
Westmoreland County (part)1/16/2025Attainment/Unclassifiable.
Wyoming CountyAttainment/Unclassifiable.
York County4/30/2021Attainment/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 April 9, 2018, unless otherwise noted.

Pennsylvania—Carbon Monoxide

Designated Area Designation Classification
Date 1 Type Date 1 Type
Philadelphia-Camden County Area
Philadelphia County (part)
City of Philadelphia—high traffic areas within the Central Business District and certain other high traffic density areas3/15/1996Attainment
Pittsburgh Area
Allegheny County (part)
high traffic density areas within the Central Business District and certain other high traffic density areas1/13/2003Attainment
Rest of StateUnclassifiable/Attainment
Adams County
Allegheny County (part)
Remainder of Allegheny County
Armstrong County
Beaver County
Bedford County
Berks County
Blair County
Bradford County
Bucks County
Butler County
Cambria County
Cameron County
Carbon County
Centre County
Chester County
Clarion County
Clearfield County
Clinton County
Columbia County
Crawford County
Cumberland County
Dauphin County
Delaware County
Elk County
Erie County
Fayette County
Forest County
Franklin County
Fulton County
Greene County
Huntingdon County
Indiana County
Jefferson County
Juniata County
Lackawanna County
Lancaster County
Lawrence County
Lebanon County
Lehigh County
Luzerne County
Lycoming County
McKean County
Mercer County
Mifflin County
Monroe County
Montgomery County
Montour County
Northampton County
Northumberland County
Perry County
Philadelphia County (part)
Remainder of Philadelphia county
Pike County
Potter County
Schuylkill County
Snyder County
Somerset County
Sullivan County
Susquehanna County
Tioga County
Union County
Venango County
Warren County
Washington County
Wayne County
Westmoreland County
Wyoming County
York County

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

Pennsylvania—Ozone (1-Hour Standard) 4

Designated area Designation Classification
Date 1 Type Date 1 Type
Allentown-Bethlehem-Easton Area:
Carbon County( 3)Nonattainment( 3)Marginal.
Lehigh County( 3)Nonattainment( 3)Marginal.
Northampton County( 3)Nonattainment( 3)Marginal.
Altoona Area:
Blair County( 3)Nonattainment( 3)Marginal.
Crawford County Area:
Crawford County( 3)Nonattainment( 3)Incomplete Data.
Erie Area:
Erie County( 3)Nonattainment( 3)Marginal.
Franklin County Area:
Franklin County( 3)Nonattainment( 3)Incomplete Data.
Greene County Area:
Greene County( 3)Nonattainment( 3)Incomplete Data.
Harrisburg-Lebanon-Carlisle Area:
Cumberland County( 3)Nonattainment( 3)Marginal.
Dauphin County( 3)Nonattainment( 3)Marginal.
Lebanon County( 3)Nonattainment( 3)Marginal.
Perry County( 3)Nonattainment( 3)Marginal.
Johnstown Area:
Cambria County( 3)Nonattainment( 3)Marginal.
Somerset County( 3)Nonattainment( 3)Marginal.
Juniata County Area:
Juniata County( 3)Nonattainment( 3)Incomplete Data.
Lancaster Area:
Lancaster County11/15/1990Nonattainment11/15/1990Marginal.
Lawrence County Area:
Lawrence County( 3)Nonattainment( 3)Incomplete Data.
Northumberland County Area:
Northumberland County( 3)Nonattainment( 3)Incomplete Data.
Philadelphia-Wilmington-Trenton Area:
Bucks County11/15/1990Nonattainment11/15/1990Severe-15.
Chester County11/15/1990Nonattainment11/15/1990Severe-15.
Delaware County11/15/1990Nonattainment11/15/1990Severe-15.
Montgomery County11/15/1990Nonattainment11/15/1990Severe-15.
Philadelphia County11/15/1990Nonattainment11/15/1990Severe-15.
Pike County Area:
Pike County( 3)Nonattainment( 3)Incomplete Data.
Pittsburgh-Beaver Valley Area:
Allegheny County10/19/2001Attainment
Armstrong County10/19/2001Attainment
Beaver County10/19/2001Attainment
Butler County10/19/2001Attainment
Fayette County10/19/2001Attainment
Washington County10/19/2001Attainment
Westmoreland County10/19/2001Attainment
Reading Area:
Berks CountyUnclassifiable/Attainment
Schuylkill County Area:
Schuylkill County( 3)Nonattainment( 3)Incomplete Data.
Scranton-Wilkes-Barre Area:
Columbia County( 3)Nonattainment( 3)Marginal.
Lackawanna County( 3)Nonattainment( 3)Marginal.
Luzerne County( 3)Nonattainment( 3)Marginal.
Monroe County( 3)Nonattainment( 3)Marginal.
Wyoming County( 3)Nonattainment( 3)Marginal.
Snyder County Area:
Snyder County( 3)Nonattainment( 3)Incomplete Data.
Susquehanna County Area:
Susquehanna County( 3)Nonattainment( 3)Incomplete Data.
Warren County Area:
Warren County( 3)Nonattainment( 3)Incomplete Data.
Wayne County Area:
Wayne County( 3)Nonattainment( 3)Incomplete Data.
York Area:
Adams County( 3)Nonattainment( 3)Marginal.
York County( 3)Nonattainment( 3)Marginal.
Youngstown-Warren-Sharon Area:
Mercer County( 3)Nonattainment( 3)Marginal.
AQCR 151 NE Pennsylvania Intrastate (Remainder of):
Bradford CountyUnclassifiable/Attainment
Sullivan CountyUnclassifiable/Attainment
Tioga CountyUnclassifiable/Attainment
AQCR 178 NW Pennsylvania Interstate (Remainder of):
Cameron CountyUnclassifiable/Attainment
Clarion CountyUnclassifiable/Attainment
Clearfield CountyUnclassifiable/Attainment
Elk CountyUnclassifiable/Attainment
Forest CountyUnclassifiable/Attainment
Jefferson CountyUnclassifiable/Attainment
McKean CountyUnclassifiable/Attainment
Potter CountyUnclassifiable/Attainment
Venango CountyUnclassifiable/Attainment
AQCR 195 Central Pennsylvania Intrastate (Remainder of):
Bedford CountyUnclassifiable/Attainment
Centre CountyUnclassifiable/Attainment
Clinton CountyUnclassifiable/Attainment
Fulton CountyUnclassifiable/Attainment
Huntingdon CountyUnclassifiable/Attainment
Lycoming CountyUnclassifiable/Attainment
Mifflin CountyUnclassifiable/Attainment
Montour CountyUnclassifiable/Attainment
Union CountyUnclassifiable/Attainment
AQCR 197 SW Pennsylvania Intrastate (Remainder of):
Indiana CountyUnclassifiable/Attainment

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

2 Attainment date extended to 11/15/1997.

3 This date is January 16, 2001.

4 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Pennsylvania. The Pittsburgh-Beaver Valley and Reading areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Pennsylvania—PM-10

Designated Area Designation Classification
Date Type Date Type
Allegheny County
The area including Liberty, Lincoln, Port Vue, and Glassport Boroughs and the City of Clairton10/14/2003Attainment
Rest of State11/15/1990Unclassifiable

Pennsylvania—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date 2 Type
Harrisburg-Lebanon-Carlisle, PA:
Cumberland County12/08/2014Attainment
Dauphin County12/08/2014Attainment
Lebanon County12/08/2014Attainment
Johnstown, PA:
Cambria County7/16/2015Attainment
Indiana County (part)7/16/2015Attainment
Townships of West Wheatfield, Center, East Wheatfield, and Armagh Borough and Homer City Borough
Lancaster, PA:
Lancaster County7/16/2015Attainment
Liberty-Clairton, PA:
Allegheny County (part)8/25/2025Attainment
Lincoln Borough, Clairton City, Glassport Borough, Liberty Borough, Port Vue Borough
Philadelphia-Wilmington, PA-NJ-DE:
Bucks County4/21/2015Attainment
Chester County4/21/2015Attainment
Delaware County4/21/2015Attainment
Montgomery County4/21/2015Attainment
Philadelphia County4/21/2015Attainment
Pittsburgh-Beaver Valley, PA:
Allegheny County (remainder)10/2/2015Attainment
Armstrong County (part)10/2/2015Attainment
Elderton Borough and Plumcreek and Washington Townships:
Beaver County10/2/2015Attainment
Butler County10/2/2015Attainment
Greene County (part)10/2/2015Attainment
Monongahela Township:
Lawrence County (part)10/2/2015Attainment
Township of Taylor south of New Castle City:
Washington County10/2/2015Attainment
Westmoreland County10/2/2015Attainment
Reading, PA:
Berks County3/4/2015Attainment
York, PA:
York County12/08/2014Attainment
Youngstown-Warren-Sharon, OH-PA:
Mercer CountyUnclassifiable/Attainment.
AQCR 151 Northeast Pennsylvania-Upper Delaware Valley Interstate:
Bradford CountyUnclassifiable/Attainment.
Carbon CountyUnclassifiable/Attainment.
Lackawanna CountyUnclassifiable/Attainment.
Lehigh CountyUnclassifiable/Attainment.
Luzerne CountyUnclassifiable/Attainment.
Monroe CountyUnclassifiable/Attainment.
Northampton CountyUnclassifiable/Attainment.
Pike CountyUnclassifiable/Attainment.
Schuylkill CountyUnclassifiable/Attainment.
Sullivan CountyUnclassifiable/Attainment.
Susquehanna CountyUnclassifiable/Attainment.
Tioga CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Wyoming CountyUnclassifiable/Attainment.
AQCR 178 Northwest Pennsylvania-Youngstown Interstate:
Cameron CountyUnclassifiable/Attainment.
Clarion CountyUnclassifiable/Attainment.
Clearfield CountyUnclassifiable/Attainment.
Crawford CountyUnclassifiable/Attainment.
Elk CountyUnclassifiable/Attainment.
Erie CountyUnclassifiable/Attainment.
Forest CountyUnclassifiable/Attainment.
Jefferson CountyUnclassifiable/Attainment.
Lawrence County (remainder)Unclassifiable/Attainment.
McKean CountyUnclassifiable/Attainment.
Potter CountyUnclassifiable/Attainment.
Venango CountyUnclassifiable/Attainment.
Warren CountyUnclassifiable/Attainment.
AQCR 195 Central Pennsylvania Intrastate:
Bedford CountyUnclassifiable/Attainment.
Blair CountyUnclassifiable/Attainment.
Centre CountyUnclassifiable/Attainment.
Clinton CountyUnclassifiable/Attainment.
Columbia CountyUnclassifiable/Attainment.
Fulton CountyUnclassifiable/Attainment.
Huntingdon CountyUnclassifiable/Attainment.
Juniata CountyUnclassifiable/Attainment.
Lycoming CountyUnclassifiable/Attainment.
Mifflin CountyUnclassifiable/Attainment.
Montour CountyUnclassifiable/Attainment.
Northumberland CountyUnclassifiable/Attainment.
Snyder CountyUnclassifiable/Attainment.
Somerset CountyUnclassifiable/Attainment.
Union CountyUnclassifiable/Attainment.
AQCR 196 South Central Pennsylvania Intrastate:
Adams CountyUnclassifiable/Attainment.
Franklin CountyUnclassifiable/Attainment.
Perry CountyUnclassifiable/Attainment.
AQCR 197 Southwest Pennsylvania Intrastate:
Armstrong County (remainder)Unclassifiable/Attainment.
Fayette CountyUnclassifiable/Attainment.
Greene County (remainder)Unclassifiable/Attainment.
Indiana County (remainder)Unclassifiable/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.

2 This date is July 2, 2014, unless otherwise noted.

Pennsylvania—2012 Annual PM2.5 NAAQS

[Primary]

Designated area 1 Designation Classification
Date 2 Type Date 2 Type
Allegheny County, PA:
Allegheny CountyNonattainmentModerate.
Delaware County, PA:
Delaware County10/30/2019Attainment
Lebanon County, PA:
Lebanon County10/30/2019Attainment
Rest of State:
AQCR 151 Northeast Pennsylvania-Upper Delaware Valley Interstate:
Berks CountyUnclassifiable/Attainment
Bradford CountyUnclassifiable/Attainment
Carbon CountyUnclassifiable/Attainment
Lackawanna CountyUnclassifiable/Attainment
Lehigh CountyUnclassifiable/Attainment
Luzerne CountyUnclassifiable/Attainment
Monroe CountyUnclassifiable/Attainment
Northampton CountyUnclassifiable/Attainment
Pike CountyUnclassifiable/Attainment
Schuylkill CountyUnclassifiable/Attainment
Sullivan CountyUnclassifiable/Attainment
Susquehanna CountyUnclassifiable/Attainment
Tioga CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment
Wyoming CountyUnclassifiable/Attainment
AQCR 178 Northwest Pennsylvania-Youngstown Interstate:
Cameron CountyUnclassifiable/Attainment
Clarion CountyUnclassifiable/Attainment
Clearfield CountyUnclassifiable/Attainment
Crawford CountyUnclassifiable/Attainment
Elk CountyUnclassifiable/Attainment
Erie CountyUnclassifiable/Attainment
Forest CountyUnclassifiable/Attainment
Jefferson CountyUnclassifiable/Attainment
Lawrence CountyUnclassifiable/Attainment
McKean CountyUnclassifiable/Attainment
Mercer CountyUnclassifiable/Attainment
Potter CountyUnclassifiable/Attainment
Venango CountyUnclassifiable/Attainment
Warren CountyUnclassifiable/Attainment
AQCR 45 Metropolitan Philadelphia Intrastate:
Bucks CountyUnclassifiable/Attainment
Chester CountyUnclassifiable/Attainment
Montgomery CountyUnclassifiable/Attainment
Philadelphia CountyUnclassifiable/Attainment
AQCR 195 Central Pennsylvania Intrastate:
Bedford CountyUnclassifiable/Attainment
Blair CountyUnclassifiable/Attainment
Cambria CountyUnclassifiable/Attainment
Centre CountyUnclassifiable/Attainment
Clinton CountyUnclassifiable/Attainment
Columbia CountyUnclassifiable/Attainment
Fulton CountyUnclassifiable/Attainment
Huntingdon CountyUnclassifiable/Attainment
Juniata CountyUnclassifiable/Attainment
Lycoming CountyUnclassifiable/Attainment
Mifflin CountyUnclassifiable/Attainment
Montour CountyUnclassifiable/Attainment
Northumberland CountyUnclassifiable/Attainment
Snyder CountyUnclassifiable/Attainment
Somerset CountyUnclassifiable/Attainment
Union CountyUnclassifiable/Attainment
AQCR 196 South Central Pennsylvania Intrastate:
Adams CountyUnclassifiable/Attainment
Cumberland CountyUnclassifiable/Attainment
Dauphin CountyUnclassifiable/Attainment
Franklin CountyUnclassifiable/Attainment
Lancaster CountyUnclassifiable/Attainment
Perry CountyUnclassifiable/Attainment
York CountyUnclassifiable/Attainment
AQCR 197 Southwest Pennsylvania Intrastate:
Armstrong CountyUnclassifiable/Attainment
Beaver CountyUnclassifiable/Attainment
Butler CountyUnclassifiable/Attainment
Fayette CountyUnclassifiable/Attainment
Greene CountyUnclassifiable/Attainment
Indiana CountyUnclassifiable/Attainment
Washington CountyUnclassifiable/Attainment
Westmoreland 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.

Pennsylvania—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date Type
Allentown, PA:
Lehigh CountyUnclassifiable/Attainment.
Northampton CountyUnclassifiable/Attainment.
Harrisburg-Lebanon-Carlisle, PA:
Cumberland County12/08/2014AttainmentModerate.
Dauphin County12/08/2014AttainmentModerate.
Lebanon County12/08/2014AttainmentModerate.
York CountyUnclassifiable/Attainment.
Johnstown, PA:
Cambria CountyUnclassifiable/Attainment.
Indiana County (part)Unclassifiable/Attainment.
Townships of West Wheatfield, Center, East Wheatfield, and Armagh Borough and Homer City Borough
Lancaster, PA:
Lancaster CountyUnclassifiable/Attainment.
Liberty-Clairton, PA:
Allegheny County (part)Unclassifiable/Attainment.
Lincoln Borough, Clairton City, Glassport Borough, Liberty Borough, Port Vue Borough.
Philadelphia-Wilmington, PA-NJ-DE:
Bucks CountyUnclassifiable/Attainment.
Chester CountyUnclassifiable/Attainment.
Delaware CountyUnclassifiable/Attainment.
Montgomery CountyUnclassifiable/Attainment.
Philadelphia CountyUnclassifiable/Attainment.
Pittsburgh-Beaver Valley, PA:
Allegheny County (remainder)Unclassifiable/Attainment.
Armstrong County (part)Unclassifiable/Attainment.
Elderton Borough and Plumcreek and Washington Townships.
Beaver CountyUnclassifiable/Attainment.
Butler CountyUnclassifiable/Attainment.
Greene County (part)Unclassifiable/Attainment.
Monongahela Township.
Lawrence County (part)Unclassifiable/Attainment.
Township of Taylor south of New Castle City.
Washington CountyUnclassifiable/Attainment.
Westmoreland CountyUnclassifiable/Attainment.
Youngstown-Warren-Sharon, OH-PA:
Mercer CountyUnclassifiable/Attainment.
Rest of State:
AQCR 151 Northeast Pennsylvania-Upper Delaware Valley Interstate:
Berks CountyUnclassifiable/Attainment.
Bradford CountyUnclassifiable/Attainment.
Carbon CountyUnclassifiable/Attainment.
Lackawanna CountyUnclassifiable/Attainment.
Luzerne CountyUnclassifiable/Attainment.
Monroe CountyUnclassifiable/Attainment.
Pike CountyUnclassifiable/Attainment.
Schuylkill CountyUnclassifiable/Attainment.
Sullivan CountyUnclassifiable/Attainment.
Susquehanna CountyUnclassifiable/Attainment.
Tioga CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Wyoming CountyUnclassifiable/Attainment.
AQCR 178 Northwest Pennsylvania-Youngstown Interstate:
Cameron CountyUnclassifiable/Attainment.
Clarion CountyUnclassifiable/Attainment.
Clearfield CountyUnclassifiable/Attainment.
Crawford CountyUnclassifiable/Attainment.
Elk CountyUnclassifiable/Attainment.
Erie CountyUnclassifiable/Attainment.
Forest CountyUnclassifiable/Attainment.
Jefferson CountyUnclassifiable/Attainment.
Lawrence County (remainder)Unclassifiable/Attainment.
McKean CountyUnclassifiable/Attainment.
Potter CountyUnclassifiable/Attainment.
Venango CountyUnclassifiable/Attainment.
Warren CountyUnclassifiable/Attainment.
AQCR 195 Central Pennsylvania Intrastate:
Bedford CountyUnclassifiable/Attainment.
Blair CountyUnclassifiable/Attainment.
Centre CountyUnclassifiable/Attainment.
Clinton CountyUnclassifiable/Attainment.
Columbia CountyUnclassifiable/Attainment.
Fulton CountyUnclassifiable/Attainment.
Huntingdon CountyUnclassifiable/Attainment.
Juniata CountyUnclassifiable/Attainment.
Lycoming CountyUnclassifiable/Attainment.
Mifflin CountyUnclassifiable/Attainment.
Montour CountyUnclassifiable/Attainment.
Northumberland CountyUnclassifiable/Attainment.
Snyder CountyUnclassifiable/Attainment.
Somerset CountyUnclassifiable/Attainment.
Union CountyUnclassifiable/Attainment.
AQCR 196 South Central Pennsylvania Intrastate:
Adams CountyUnclassifiable/Attainment.
Franklin CountyUnclassifiable/Attainment.
Perry CountyUnclassifiable/Attainment.
AQCR 197 Southwest Pennsylvania Intrastate:
Armstrong County (remainder)Unclassifiable/Attainment.
Fayette CountyUnclassifiable/Attainment.
Greene County (remainder)Unclassifiable/Attainment.
Indiana County (remainder)Unclassifiable/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.

Pennsylvania—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation a Classification
Date 1 Type Date 2 Type
Allentown, PA:
Lehigh County4/13/2015Attainment
Northampton County4/13/2015Attainment
Harrisburg-Lebanon-Carlisle-York, PA:
Cumberland County12/08/2014Attainment
Dauphin County12/08/2014Attainment
Lebanon County12/08/2014Attainment
York County12/08/2014Attainment
Johnstown, PA:
Cambria County7/16/2015Attainment
Indiana County (part)7/16/2015Attainment
Townships of West Wheatfield, Center, East Wheatfield, and Armagh Borough and Homer City Borough
Lancaster, PA:
Lancaster County7/16/2015Attainment
Liberty-Clairton, PA:
Allegheny County (part)8/25/2025Attainment
Lincoln Borough, Clairton City, Glassport Borough, Liberty Borough, Port Vue Borough.
Philadelphia-Wilmington, PA-NJ-DE:
Bucks County4/21/2015Attainment
Chester County4/21/2015Attainment
Delaware County4/21/2015Attainment
Montgomery County4/21/2015Attainment
Philadelphia County4/21/2015Attainment
Pittsburgh-Beaver Valley, PA:
Allegheny County (remainder)10/2/2015Attainment
Armstrong County (part)10/2/2015Attainment
Elderton Borough and Plumcreek and Washington Townships:
Beaver County10/2/2015Attainment
Butler County10/2/2015Attainment
Green County (part)10/2/2015Attainment
Monongahela Township:
Lawrence County (part)10/2/2015Attainment
Township of Taylor south of New Castle City:
Washington County10/2/2015Attainment
Westmoreland County10/2/2015Attainment
Youngstown-Warren-Sharon, OH-PA:
Mercer CountyUnclassifiableAttainment.
Rest of State:
AQCR 151 Northeast Pennsylvania-Upper Delaware Valley Interstate:
Berks CountyUnclassifiableAttainment.
Bradford CountyUnclassifiableAttainment.
Carbon CountyUnclassifiableAttainment.
Lackawanna CountyUnclassifiableAttainment.
Luzerne CountyUnclassifiableAttainment.
Monroe CountyUnclassifiableAttainment.
Pike CountyUnclassifiableAttainment.
Schuylkill CountyUnclassifiableAttainment.
Sullivan CountyUnclassifiableAttainment.
Susquehanna CountyUnclassifiableAttainment.
Tioga CountyUnclassifiableAttainment.
Wayne CountyUnclassifiableAttainment.
Wyoming CountyUnclassifiableAttainment.
AQCR 178 Northwest Pennsylvania-Youngstown Interstate:
Cameron CountyUnclassifiableAttainment.
Clarion CountyUnclassifiableAttainment.
Clearfield CountyUnclassifiableAttainment.
Crawford CountyUnclassifiableAttainment.
Elk CountyUnclassifiableAttainment.
Erie CountyUnclassifiableAttainment.
Forest CountyUnclassifiableAttainment.
Jefferson CountyUnclassifiableAttainment.
Lawrence County (remainder)UnclassifiableAttainment.
McKean CountyUnclassifiableAttainment.
Potter CountyUnclassifiableAttainment.
Venango CountyUnclassifiableAttainment.
Warren CountyUnclassifiableAttainment.
AQCR 195 Central Pennsylvania Intrastate:
Bedford CountyUnclassifiableAttainment.
Blair CountyUnclassifiableAttainment.
Centre CountyUnclassifiableAttainment.
Clinton CountyUnclassifiableAttainment.
Columbia CountyUnclassifiableAttainment.
Fulton CountyUnclassifiableAttainment.
Huntingdon CountyUnclassifiableAttainment.
Juniata CountyUnclassifiableAttainment.
Lycoming CountyUnclassifiableAttainment.
Mifflin CountyUnclassifiableAttainment.
Montour CountyUnclassifiableAttainment.
Northumberland CountyUnclassifiableAttainment.
Snyder CountyUnclassifiableAttainment.
Somerset CountyUnclassifiableAttainment.
Union CountyUnclassifiableAttainment.
AQCR 196 South Central Pennsylvania Intrastate:
Adams CountyUnclassifiableAttainment.
Franklin CountyUnclassifiableAttainment.
Perry CountyUnclassifiableAttainment.
AQCR 197 Southwest Pennsylvania Intrastate:
Armstrong County (remainder)UnclassifiableAttainment.
Fayette CountyUnclassifiableAttainment.
Greene County (remainder)UnclassifiableAttainment.
Indiana County (remainder)UnclassifiableAttainment.

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.

2 This date is July 2, 2014, unless otherwise noted.

Pennsylvania—NO2 (1971 Annual Standard)

Designated area Does not meet primary standards Cannot be classified or better than national standards
Entire StateX

Pennsylvania—NO2 (2010 1-Hour Standard)

Designated area Designation a
Date 1 Type
Adams CountyUnclassifiable/Attainment.
Allegheny CountyUnclassifiable/Attainment.
Armstrong CountyUnclassifiable/Attainment.
Beaver CountyUnclassifiable/Attainment.
Bedford CountyUnclassifiable/Attainment.
Berks CountyUnclassifiable/Attainment.
Blair CountyUnclassifiable/Attainment.
Bradford CountyUnclassifiable/Attainment.
Bucks CountyUnclassifiable/Attainment.
Butler CountyUnclassifiable/Attainment.
Cambria CountyUnclassifiable/Attainment.
Cameron CountyUnclassifiable/Attainment.
Carbon CountyUnclassifiable/Attainment.
Centre CountyUnclassifiable/Attainment.
Chester CountyUnclassifiable/Attainment.
Clarion CountyUnclassifiable/Attainment.
Clearfield CountyUnclassifiable/Attainment.
Clinton CountyUnclassifiable/Attainment.
Columbia CountyUnclassifiable/Attainment.
Crawford CountyUnclassifiable/Attainment.
Cumberland CountyUnclassifiable/Attainment.
Dauphin CountyUnclassifiable/Attainment.
Delaware CountyUnclassifiable/Attainment.
Elk CountyUnclassifiable/Attainment.
Erie CountyUnclassifiable/Attainment.
Fayette CountyUnclassifiable/Attainment.
Forest CountyUnclassifiable/Attainment.
Franklin CountyUnclassifiable/Attainment.
Fulton CountyUnclassifiable/Attainment.
Greene CountyUnclassifiable/Attainment.
Huntingdon CountyUnclassifiable/Attainment.
Indiana CountyUnclassifiable/Attainment.
Jefferson CountyUnclassifiable/Attainment.
Juniata CountyUnclassifiable/Attainment.
Lackawanna CountyUnclassifiable/Attainment.
Lancaster CountyUnclassifiable/Attainment.
Lawrence CountyUnclassifiable/Attainment.
Lebanon CountyUnclassifiable/Attainment.
Lehigh CountyUnclassifiable/Attainment.
Luzerne CountyUnclassifiable/Attainment.
Lycoming CountyUnclassifiable/Attainment.
McKean CountyUnclassifiable/Attainment.
Mercer CountyUnclassifiable/Attainment.
Mifflin CountyUnclassifiable/Attainment.
Monroe CountyUnclassifiable/Attainment.
Montgomery CountyUnclassifiable/Attainment.
Montour CountyUnclassifiable/Attainment.
Northampton CountyUnclassifiable/Attainment.
Northumberland CountyUnclassifiable/Attainment.
Perry CountyUnclassifiable/Attainment.
Philadelphia CountyUnclassifiable/Attainment.
Pike CountyUnclassifiable/Attainment.
Potter CountyUnclassifiable/Attainment.
Schuylkill CountyUnclassifiable/Attainment.
Snyder CountyUnclassifiable/Attainment.
Somerset CountyUnclassifiable/Attainment.
Sullivan CountyUnclassifiable/Attainment.
Susquehanna CountyUnclassifiable/Attainment.
Tioga CountyUnclassifiable/Attainment.
Union CountyUnclassifiable/Attainment.
Venango CountyUnclassifiable/Attainment.
Warren CountyUnclassifiable/Attainment.
Washington CountyUnclassifiable/Attainment.
Wayne CountyUnclassifiable/Attainment.
Westmoreland CountyUnclassifiable/Attainment.
Wyoming CountyUnclassifiable/Attainment.
York CountyUnclassifiable/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.

Pennsylvania—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation a Category/classification
Date 1 Type Date 1 Type
Allentown-Bethlehem-Easton, PA: Carbon County Lehigh County Northampton County4/3/2008Attainment
Altoona, PA: Blair County8/1/2007Attainment
Clearfield and Indiana, PA: Clearfield County, Indiana County, Northampton County4/20/2009Attainment
Erie, PA: Erie County11/8/2007Attainment
Franklin Co., PA: Franklin County7/27/2007Attainment
Greene County, PA: Greene County04/20/2009Attainment
Harrisburg-Lebanon-Carlisle PA:
Cumberland County7/25/2007Attainment
Dauphin County7/25/2007Attainment
Lebanon County7/25/2007Attainment
Perry County7/25/2007Attainment
Johnstown, PA: Cambria County8/1/2007Attainment
Lancaster, PA: Lancaster County7/6/2007Attainment
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE:
Bucks CountyNonattainmentSubpart 2/Moderate. 3
Chester CountyNonattainmentSubpart 2/Moderate. 3
Delaware CountyNonattainmentSubpart 2/Moderate. 3
Montgomery CountyNonattainmentSubpart 2/Moderate. 3
Philadelphia CountyNonattainmentSubpart 2/Moderate. 3
Pittsburgh-Beaver Valley, PA:
Allegheny CountyNonattainment6/13/2012Subpart 2/Moderate.
Armstrong CountyNonattainment6/13/2012Subpart 2/Moderate.
Beaver CountyNonattainment6/13/2012Subpart 2/Moderate.
Butler CountyNonattainment6/13/2012Subpart 2/Moderate.
Fayette CountyNonattainment6/13/2012Subpart 2/Moderate.
Washington CountyNonattainment6/13/2012Subpart 2/Moderate.
Westmoreland CountyNonattainment6/13/2012Subpart 2/Moderate.
Reading, PA: Berks County9/10/2007Attainment
Scranton-Wilkes-Barre, PA: Lackawanna County, Luzerne County, Monroe County, Wyoming County12/19/2007Attainment
State College, PA: Centre County12/14/2007Attainment.
Tioga Co., PA: Tioga County07/06/2007Attainment.
Williamsport, PA: Lycoming CountyUnclassifiable/Attainment
York, PA:
Adams County2/13/2008Attainment
York County2/13/2008Attainment
Youngstown-Warren-Sharon, OH-PA Area: Mercer County11/19/2007Attainment
AQCR 151 NE Pennsylvania Intrastate (remainder of):
Bradford CountyUnclassifiable/Attainment
Sullivan CountyUnclassifiable/Attainment
AQCR 178 NW Pennsylvania Interstate (remainder of):
Cameron CountyUnclassifiable/Attainment
Clarion CountyUnclassifiable/Attainment
Elk CountyUnclassifiable/Attainment
Forest CountyUnclassifiable/Attainment
Jefferson CountyUnclassifiable/Attainment
McKean CountyUnclassifiable/Attainment
Potter CountyUnclassifiable/Attainment
Venango CountyUnclassifiable/Attainment
AQCR 195 Central Pennsylvania Intrastate (remainder of):
Bedford CountyUnclassifiable/Attainment
Clinton CountyUnclassifiable/Attainment
Fulton CountyUnclassifiable/Attainment
Huntingdon CountyUnclassifiable/Attainment
Mifflin CountyUnclassifiable/Attainment
Montour CountyUnclassifiable/Attainment
Union CountyUnclassifiable/Attainment
Rest of StateUnclassifiable/Attainment
Columbia CountyUnclassifiable/Attainment
Crawford CountyUnclassifiable/Attainment
Juniata CountyUnclassifiable/Attainment
Lawrence CountyUnclassifiable/Attainment
Northumberland CountyUnclassifiable/Attainment
Pike CountyUnclassifiable/Attainment
Schuylkill CountyUnclassifiable/Attainment
Snyder CountyUnclassifiable/Attainment
Somerset CountyUnclassifiable/Attainment
Susquehanna CountyUnclassifiable/Attainment
Warren CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment

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 November 22, 2004.

Pennsylvania—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area Designation Classification
Date 1 Type Date 1 Type
Allentown-Bethlehem-Easton, PA 2NonattainmentMarginal.
Carbon County
Lehigh County
Northampton County
Lancaster, PA 2NonattainmentMarginal.
Lancaster County
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE 2Nonattainment6/3/2016Marginal. 4
Bucks County
Chester County
Delaware County
Montgomery County
Philadelphia County
Pittsburgh-Beaver Valley, PA 2Nonattainment6/3/2016Marginal. 4
Allegheny County
Armstrong County
Beaver County
Butler County
Fayette County
Washington County
Westmoreland County
Reading, PA 2NonattainmentMarginal.
Berks County
AQCR 151 NE Pennsylvania Intrastate (remainder) 3
Bradford CountyUnclassifiable/Attainment
Lackawanna CountyUnclassifiable/Attainment
Luzerne CountyUnclassifiable/Attainment
Monroe CountyUnclassifiable/Attainment
Pike CountyUnclassifiable/Attainment
Schuylkill CountyUnclassifiable/Attainment
Sullivan CountyUnclassifiable/Attainment
Susquehanna CountyUnclassifiable/Attainment
Tioga CountyUnclassifiable/Attainment
Wayne CountyUnclassifiable/Attainment
WyomingUnclassifiable/Attainment
AQCR 178 NW Pennsylvania Intrastate 3
Cameron CountyUnclassifiable/Attainment
Clarion CountyUnclassifiable/Attainment
Clearfield CountyUnclassifiable/Attainment
Crawford CountyUnclassifiable/Attainment
Elk CountyUnclassifiable/Attainment
Erie CountyUnclassifiable/Attainment
Forest CountyUnclassifiable/Attainment
Jefferson CountyUnclassifiable/Attainment
Lawrence CountyUnclassifiable/Attainment
McKean CountyUnclassifiable/Attainment
Mercer CountyUnclassifiable/Attainment
Potter CountyUnclassifiable/Attainment
Venango CountyUnclassifiable/Attainment
Warren CountyUnclassifiable/Attainment
AQCR 195 Central Pennsylvania Intrastate 3
Bedford CountyUnclassifiable/Attainment
Blair CountyUnclassifiable/Attainment
Cambria CountyUnclassifiable/Attainment
Centre CountyUnclassifiable/Attainment
Clinton CountyUnclassifiable/Attainment
Columbia CountyUnclassifiable/Attainment
Fulton CountyUnclassifiable/Attainment
Huntingdon CountyUnclassifiable/Attainment
Juniata CountyUnclassifiable/Attainment
Lycoming CountyUnclassifiable/Attainment
Mifflin CountyUnclassifiable/Attainment
Montour CountyUnclassifiable/Attainment
Northumberland CountyUnclassifiable/Attainment
Snyder CountyUnclassifiable/Attainment
Somerset CountyUnclassifiable/Attainment
Union CountyUnclassifiable/Attainment
AQCR 196 South Central Pennsylvania (remainder) 3
Adams CountyUnclassifiable/Attainment
Cumberland CountyUnclassifiable/Attainment
Dauphin CountyUnclassifiable/Attainment
Franklin CountyUnclassifiable/Attainment
Lebanon CountyUnclassifiable/Attainment
Perry CountyUnclassifiable/Attainment
York CountyUnclassifiable/Attainment
AQCR 197 Southwest Pennsylvania (remainder) 3
Green CountyUnclassifiable/Attainment
Indiana 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.

4 Attainment date is extended to July 20, 2016.

Pennsylvania—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1 Designation Classification
Date 2 Type Date 2 Type
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DENonattainment7/30/2024Serious.
Bucks County.
Chester County.
Delaware County.
Montgomery County.
Philadelphia County.
Adams CountyAttainment/Unclassifiable
Allegheny County1/16/2018Attainment/Unclassifiable
Armstrong County1/16/2018Attainment/Unclassifiable
Beaver County1/16/2018Attainment/Unclassifiable
Bedford County1/16/2018Attainment/Unclassifiable
Berks CountyAttainment/Unclassifiable
Blair County1/16/2018Attainment/Unclassifiable
Bradford County1/16/2018Attainment/Unclassifiable
Butler County1/16/2018Attainment/Unclassifiable
Cambria County1/16/2018Attainment/Unclassifiable
Cameron County1/16/2018Attainment/Unclassifiable
Carbon CountyAttainment/Unclassifiable.
Centre County1/16/2018Attainment/Unclassifiable
Clarion County1/16/2018Attainment/Unclassifiable
Clearfield County1/16/2018Attainment/Unclassifiable
Clinton County1/16/2018Attainment/Unclassifiable
Columbia County1/16/2018Attainment/Unclassifiable
Crawford County1/16/2018Attainment/Unclassifiable
Cumberland CountyAttainment/Unclassifiable
Dauphin CountyAttainment/Unclassifiable
Elk County1/16/2018Attainment/Unclassifiable
Erie County1/16/2018Attainment/Unclassifiable
Fayette County1/16/2018Attainment/Unclassifiable
Forest County1/16/2018Attainment/Unclassifiable
Franklin CountyAttainment/Unclassifiable
Fulton County1/16/2018Attainment/Unclassifiable
Greene County1/16/2018Attainment/Unclassifiable
Huntingdon County1/16/2018Attainment/Unclassifiable
Indiana County1/16/2018Attainment/Unclassifiable
Jefferson County1/16/2018Attainment/Unclassifiable
Juniata County1/16/2018Attainment/Unclassifiable
Lackawanna County1/16/2018Attainment/Unclassifiable
Lancaster CountyAttainment/Unclassifiable
Lawrence County1/16/2018Attainment/Unclassifiable
Lebanon CountyAttainment/Unclassifiable
Lehigh CountyAttainment/Unclassifiable.
Luzerne County1/16/2018Attainment/Unclassifiable
Lycoming County1/16/2018Attainment/Unclassifiable
McKean County1/16/2018Attainment/Unclassifiable
Mercer County1/16/2018Attainment/Unclassifiable
Mifflin County1/16/2018Attainment/Unclassifiable
Monroe CountyAttainment/Unclassifiable.
Montour County1/16/2018Attainment/Unclassifiable
Northampton CountyAttainment/Unclassifiable.
Northumberland County1/16/2018Attainment/Unclassifiable
Perry CountyAttainment/Unclassifiable
Pike CountyAttainment/Unclassifiable.
Potter County1/16/2018Attainment/Unclassifiable
Schuylkill CountyAttainment/Unclassifiable
Snyder County1/16/2018Attainment/Unclassifiable
Somerset County1/16/2018Attainment/Unclassifiable
Sullivan County1/16/2018Attainment/Unclassifiable
Susquehanna County1/16/2018Attainment/Unclassifiable
Tioga County1/16/2018Attainment/Unclassifiable
Union County1/16/2018Attainment/Unclassifiable
Venango County1/16/2018Attainment/Unclassifiable
Warren County1/16/2018Attainment/Unclassifiable
Washington County1/16/2018Attainment/Unclassifiable
Wayne County1/16/2018Attainment/Unclassifiable
Westmoreland County1/16/2018Attainment/Unclassifiable
Wyoming County1/16/2018Attainment/Unclassifiable
York 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 August 3, 2018, unless otherwise noted.

Pennsylvania—2008 Lead NAAQS

Designated area Designation for the 2008 NAAQS a
Date 1 Type
Lower Beaver Valley, PA:
Beaver County (part) 2 12/31/2010Nonattainment.
Area is bounded by Potter Township, Vanport Township, and Center Township.
Lyons, PA:
Berks County (part)12/31/2010Nonattainment.
Area is bounded by Kutztown Borough, Lyons Borough, Maxatawny Township and Richmond Township.
North Reading, PA:
Berks County (part)12/31/2010Nonattainment.
Area is bounded by Alsace Township, Laureldale Borough, and Muhlenberg Township.
Rest of StateUnclassifiable/Attainment.

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

1 December 31, 2011 unless otherwise noted.

2 Center Township was included in the nonattainment area as of 12/31/2011.

[43 FR 40513, Sept. 12, 1978] Editorial Note:For Federal Register citations affecting § 81.339, 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 81.339
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