SERIOUS
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|
San Joaquin Valley Air Basin, CA
|
|
Wallula, WA
|
| |
MODERATE
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|
Aspen, CO
|
|
Boise-Northern Ada County, ID
|
|
Canon City, CO
|
|
Clairton & 4 Boroughs, PA
|
|
Coso Junction, CA
|
|
Cuyahoga Co, OH
|
|
Denver Metro, CO
|
|
East Chicago, IN
|
|
Follansbee, WV
|
|
Granite City, Nameoki Twsp, IL
|
|
Grants Pass, OR
|
|
Indian Wells, CA
|
|
Jefferson Co, OH
|
|
Kent, WA
|
|
King Co, WA
|
|
Klamath Falls, OR
|
|
LaGrande, OR
|
|
Lake Co, OR
|
|
Lamar, CO
|
|
Lyons Twsp., IL
|
|
Medford-Ashland, OR
|
|
Mohave Co, AZ
|
|
Mun. of Guaynabo, PR
|
|
New Haven Co, CT
|
|
Oglesby, IL
|
|
Olmsted Co, MN
|
|
Olympia, Tumwater, Lacey, WA
|
|
Pagosa Springs, CO
|
|
Payson, AZ
|
|
Pierce Co, WA
|
|
Portneuf Valley, ID
|
|
Presque Isle, ME
|
|
Ramsey Co, MN
|
|
Southeast Chicago, IL
|
|
Spokane Co, WA
|
|
Steamboat Springs, CO
|
|
Telluride, CO
|
|
Vermillion Co, IN
|
|
Wayne Co, MI
|
|
Weirton, WV
|
|
Yakima Co, WA
|
| |
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