Designated area
| Designation
a
| Classification
|
---|
Date
1
| Type
| Date
| Type
|
---|
Casper, WY:
| | | | |
Natrona County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Casper.
| | | | |
Cheyenne, WY:
| | | | |
Laramie County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Cheyenne.
| | | | |
Evanston, WY:
| | | | |
Uinta County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Evanston.
| | | | |
Gillette, WY:
| | | | |
Campbell County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Gillette.
| | | | |
Jackson, WY:
| | | | |
Teton County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Jackson.
| | | | |
Lander, WY:
| | | | |
Fremont County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Lander.
| | | | |
Laramie, WY:
| | | | |
Albany County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Laramie.
| | | | |
Riverton, WY:
| | | | |
Fremont County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Riverton.
| | | | |
Rock Springs, WY:
| | | | |
Sweetwater County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Rock Springs.
| | | | |
Sheridan, WY:
| | | | |
Sheridan County (part) | | Unclassifiable/Attainment.
| | |
The portion within the City of Sheridan.
| | | | |
Rest of State:
| | | | |
Albany County (remainder) | | Unclassifiable/Attainment.
| | |
Big Horn County | | Unclassifiable/Attainment.
| | |
Campbell County | | Unclassifiable/Attainment.
| | |
Carbon County | | Unclassifiable/Attainment.
| | |
Converse County | | Unclassifiable/Attainment.
| | |
Crook County | | Unclassifiable/Attainment.
| | |
Fremont County (remainder) | | Unclassifiable/Attainment.
| | |
Goshen County | | Unclassifiable/Attainment.
| | |
Hot Springs County | | Unclassifiable/Attainment.
| | |
Johnson County | | Unclassifiable/Attainment.
| | |
Laramie County (remainder) | | Unclassifiable/Attainment.
| | |
Lincoln County | | Unclassifiable/Attainment.
| | |
Natrona County (remainder) | | Unclassifiable/Attainment.
| | |
Niobrara County | | Unclassifiable/Attainment.
| | |
Park County | | Unclassifiable/Attainment.
| | |
Platte County | | Unclassifiable/Attainment.
| | |
Sheridan County (remainder) | | Unclassifiable/Attainment.
| | |
Sublette County | | Unclassifiable/Attainment.
| | |
Sweetwater County | | Unclassifiable/Attainment.
| | |
Teton County (remainder) | | Unclassifiable/Attainment.
| | |
Uinta County (remainder) | | Unclassifiable/Attainment.
| | |
Washakie County | | Unclassifiable/Attainment.
| | |
Weston County | | Unclassifiable/Attainment.
| | |