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Particulate Matter (PM-10) Maintenance State/Area/County Report
As of March 30, 2012| ARIZONA (Region IX) | |
| Mohave Co, AZ (Moderate) | |
| Mohave Co (P) | |
| Bullhead City | |
| Payson, AZ (Moderate) | |
| Gila Co (P) | |
| CALIFORNIA (Region IX) | |
| Coso Junction, CA (Moderate) | |
| Inyo Co (P) | |
| Searles Valley planning area Hydrologic Unit #18090205 | |
| Indian Wells, CA (Moderate) | |
| Kern Co (P) | |
| Searles Valley planning area Hydrologic Unit #18090205 | |
| San Joaquin Valley Air Basin, CA (Serious) | |
| Fresno Co | |
| Kern Co (P) | |
| Kings Co | |
| Madera Co | |
| Merced Co | |
| San Joaquin Co | |
| Stanislaus Co | |
| Tulare Co | |
| COLORADO (Region VIII) | |
| Aspen, CO (Moderate) | |
| Pitkin Co (P) | |
| Canon City, CO (Moderate) | |
| Fremont Co (P) | |
| Denver Metro, CO (Moderate) | |
| Adams Co (P) | |
| Arapahoe Co (P) | |
| Boulder Co (P) | |
| Broomfield Co | |
| Denver Co | |
| Douglas Co | |
| Jefferson Co | |
| Lamar, CO (Moderate) | |
| Prowers Co (P) | |
| Pagosa Springs, CO (Moderate) | |
| Archuleta Co (P) | |
| Steamboat Springs, CO (Moderate) | |
| Routt Co (P) | |
| Steamboat Springs | |
| Telluride, CO (Moderate) | |
| San Miguel Co (P) | |
| CONNECTICUT (Region I) | |
| New Haven Co, CT (Moderate) | |
| New Haven Co (P) | |
| City of New Haven | |
| IDAHO (Region X) | |
| Boise-Northern Ada County, ID (Moderate) | |
| Ada Co (P) | |
| Portneuf Valley, ID (Moderate) | |
| Bannock Co (P) | |
| Power Co (P) | |
| ILLINOIS (Region V) | |
| Granite City, Nameoki Twsp, IL (Moderate) | |
| Madison Co (P) | |
| Lyons Twsp., IL (Moderate) | |
| Cook Co (P) | |
| Lyons Township | |
| Oglesby, IL (Moderate) | |
| La Salle Co (P) | |
| Southeast Chicago, IL (Moderate) | |
| Cook Co (P) | |
| INDIANA (Region V) | |
| East Chicago, IN (Moderate) | |
| Lake Co (P) | |
| Cities of East Chicago, Hammond, Whiting, and Gary | |
| Vermillion Co, IN (Moderate) | |
| Vermillion Co (P) | |
| MAINE (Region I) | |
| Presque Isle, ME (Moderate) | |
| Aroostook Co (P) | |
| City of Presque Isle | |
| MICHIGAN (Region V) | |
| Wayne Co, MI (Moderate) | |
| Wayne Co (P) | |
| Detroit | |
| MINNESOTA (Region V) | |
| Olmsted Co, MN (Moderate) | |
| Olmsted Co (P) | |
| Ramsey Co, MN (Moderate) | |
| Ramsey Co (P) | |
| St. Paul | |
| OHIO (Region V) | |
| Cuyahoga Co, OH (Moderate) | |
| Cuyahoga Co | |
| Jefferson Co, OH (Moderate) | |
| Jefferson Co (P) | |
| Mingo Junction | |
| OREGON (Region X) | |
| Grants Pass, OR (Moderate) | |
| Josephine Co (P) | |
| Urban Growth Boundary | |
| Klamath Falls, OR (Moderate) | |
| Klamath Co (P) | |
| Urban Growth Boundary | |
| LaGrande, OR (Moderate) | |
| Union Co (P) | |
| Urban Growth Boundary | |
| Lake Co, OR (Moderate) | |
| Lake Co (P) | |
| Lakeview (Urban Growth Boundary). | |
| Medford-Ashland, OR (Moderate) | |
| Jackson Co (P) | |
| PENNSYLVANIA (Region III) | |
| Clairton & 4 Boroughs, PA (Moderate) | |
| Allegheny Co (P) | |
| PUERTO RICO (Region II) | |
| Mun. of Guaynabo, PR (Moderate) | |
| Guaynabo Co (P) | |
| WASHINGTON (Region X) | |
| Kent, WA (Moderate) | |
| King Co (P) | |
| King Co, WA (Moderate) | |
| King Co (P) | |
| Seattle | |
| Olympia, Tumwater, Lacey, WA (Moderate) | |
| Thurston Co (P) | |
| Cities of Olympia, Tumwater, and Lacey | |
| Pierce Co, WA (Moderate) | |
| Pierce Co (P) | |
| Tacoma | |
| Spokane Co, WA (Moderate) | |
| Spokane Co (P) | |
| Wallula, WA (Serious) | |
| Walla Walla Co (P) | |
| Wallula | |
| Yakima Co, WA (Moderate) | |
| Yakima Co (P) | |
| WEST VIRGINIA (Region III) | |
| Follansbee, WV (Moderate) | |
| Brooke Co (P) | |
| Weirton, WV (Moderate) | |
| Brooke Co (P) | |
| The city of Weirton | |
| Hancock Co (P) | |
| The city of Weirton | |
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