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PM-10 (1987) Maintenance Area (Redesignated from Nonattainment) Area/State/County Report

Data is current as of August 31, 2020


  Aspen, CO (Moderate - Maintenance)
COLORADO (Region VIII)
Pitkin County (P)
 
  Boise-Northern Ada County, ID (Moderate - Maintenance)
IDAHO (Region X)
Ada County (P)
 
  Bonner Co (Sandpoint), ID (Moderate - Maintenance)
IDAHO (Region X)
Bonner County (P)
 
  Canon City, CO (Moderate - Maintenance)
COLORADO (Region VIII)
Fremont County (P)
 
  Clairton & 4 Boroughs, PA (Moderate - Maintenance)
PENNSYLVANIA (Region III)
Allegheny County (P)
 
  Clark Co, NV (Serious - Maintenance)
NEVADA (Region IX)
Clark County (P)
Las Vegas planning area Hydrographic Area 212
 
  Columbia Falls, MT (Moderate - Maintenance)
MONTANA (Region VIII)
Flathead County (P)
 
  Coso Junction, CA (Moderate - Maintenance)
CALIFORNIA (Region IX)
Inyo County (P)
Searles Valley planning area Hydrologic Unit #18090205
 
  Cuyahoga Co, OH (Moderate - Maintenance)
OHIO (Region V)
Cuyahoga County
 
  Denver Metro, CO (Moderate - Maintenance)
COLORADO (Region VIII)
Adams County (P)
Arapahoe County (P)
Boulder County (P)
Broomfield County
Denver County
Douglas County
Jefferson County
 
  Eagle River, AK (Moderate - Maintenance)
ALASKA (Region X)
Anchorage Municipality (P)
Community of Eagle River
 
  East Chicago, IN (Moderate - Maintenance)
INDIANA (Region V)
Lake County (P)
Cities of East Chicago, Hammond, Whiting, and Gary
 
  Eugene-Springfield, OR (Moderate - Maintenance)
OREGON (Region X)
Lane County (P)
Urban Growth Boundary
 
  Follansbee, WV (Moderate - Maintenance)
WEST VIRGINIA (Region III)
Brooke County (P)
 
  Granite City, Nameoki Twsp, IL (Moderate - Maintenance)
ILLINOIS (Region V)
Madison County (P)
 
  Grants Pass, OR (Moderate - Maintenance)
OREGON (Region X)
Josephine County (P)
Urban Growth Boundary
 
  Indian Wells, CA (Moderate - Maintenance)
CALIFORNIA (Region IX)
Kern County (P)
Searles Valley planning area Hydrologic Unit #18090205
 
  Jefferson Co, OH (Moderate - Maintenance)
OHIO (Region V)
Jefferson County (P)
Mingo Junction
 
  Juneau, AK (Moderate - Maintenance)
ALASKA (Region X)
Juneau City and Borough (P)
City of Juneau: Mendenhall Valley area
 
  Kalispell, MT (Moderate - Maintenance)
MONTANA (Region VIII)
Flathead County (P)
 
  Kent, WA (Moderate - Maintenance)
WASHINGTON (Region X)
King County (P)
 
  King Co, WA (Moderate - Maintenance)
WASHINGTON (Region X)
King County (P)
Seattle
 
  Klamath Falls, OR (Moderate - Maintenance)
OREGON (Region X)
Klamath County (P)
Urban Growth Boundary
 
  LaGrande, OR (Moderate - Maintenance)
OREGON (Region X)
Union County (P)
Urban Growth Boundary
 
  Lake Co, OR (Moderate - Maintenance)
OREGON (Region X)
Lake County (P)
Lakeview (Urban Growth Boundary).
 
  Lamar, CO (Moderate - Maintenance)
COLORADO (Region VIII)
Prowers County (P)
 
  Libby, MT (Moderate - Maintenance)
MONTANA (Region VIII)
Lincoln County (P)
 
  Los Angeles South Coast Air Basin, CA (Serious - Maintenance)
CALIFORNIA (Region IX)
Los Angeles County (P)
South Coast Air Basin
Orange County
Riverside County (P)
South Coast Air Basin
San Bernardino County (P)
South Coast Air Basin
 
  Lyons Twsp., IL (Moderate - Maintenance)
ILLINOIS (Region V)
Cook County (P)
Lyons Township
 
  Mammoth Lake, CA (Moderate - Maintenance)
CALIFORNIA (Region IX)
Mono County (P)
 
  Medford-Ashland, OR (Moderate - Maintenance)
OREGON (Region X)
Jackson County (P)
 
  Missoula, MT (Moderate - Maintenance)
MONTANA (Region VIII)
Missoula County (P)
 
  Mohave Co, AZ (Moderate - Maintenance)
ARIZONA (Region IX)
Mohave County (P)
Bullhead City
 
  Mun. of Guaynabo, PR (Moderate - Maintenance)
PUERTO RICO (Region II)
Guaynabo Municipio (P)
 
  New Haven Co, CT (Moderate - Maintenance)
CONNECTICUT (Region I)
New Haven County (P)
City of New Haven
 
  Ogden, UT (Moderate - Maintenance)
UTAH (Region VIII)
Weber County (P)
City of Ogden
 
  Oglesby, IL (Moderate - Maintenance)
ILLINOIS (Region V)
LaSalle County (P)
 
  Olmsted Co, MN (Moderate - Maintenance)
MINNESOTA (Region V)
Olmsted County (P)
 
  Olympia, Tumwater, Lacey, WA (Moderate - Maintenance)
WASHINGTON (Region X)
Thurston County (P)
Cities of Olympia, Tumwater, and Lacey
 
  Pagosa Springs, CO (Moderate - Maintenance)
COLORADO (Region VIII)
Archuleta County (P)
 
  Payson, AZ (Moderate - Maintenance)
ARIZONA (Region IX)
Gila County (P)
 
  Pierce Co, WA (Moderate - Maintenance)
WASHINGTON (Region X)
Pierce County (P)
Tacoma
 
  Pinehurst, ID (Moderate - Maintenance)
IDAHO (Region X)
Shoshone County (P)
City of Pinehurst
 
  Portneuf Valley, ID (Moderate - Maintenance)
IDAHO (Region X)
Bannock County (P)
Power County (P)
 
  Presque Isle, ME (Moderate - Maintenance)
MAINE (Region I)
Aroostook County (P)
City of Presque Isle
 
  Ramsey Co, MN (Moderate - Maintenance)
MINNESOTA (Region V)
Ramsey County (P)
St. Paul
 
  Sacramento Co, CA (Moderate - Maintenance)
CALIFORNIA (Region IX)
Sacramento County
 
  Salt Lake Co, UT (Moderate - Maintenance)
UTAH (Region VIII)
Salt Lake County
 
  San Joaquin Valley Air Basin, CA (Serious - Maintenance)
CALIFORNIA (Region IX)
Fresno County
Kern County (P)
Kings County
Madera County
Merced County
San Joaquin County
Stanislaus County
Tulare County
 
  Sheridan, WY (Moderate - Maintenance)
WYOMING (Region VIII)
Sheridan County (P)
City of Sheridan
 
  Shoshone Co, ID (Moderate - Maintenance)
IDAHO (Region X)
Shoshone County (P)
excluding Pinehurst
 
  Southeast Chicago, IL (Moderate - Maintenance)
ILLINOIS (Region V)
Cook County (P)
 
  Spokane Co, WA (Moderate - Maintenance)
WASHINGTON (Region X)
Spokane County (P)
 
  Steamboat Springs, CO (Moderate - Maintenance)
COLORADO (Region VIII)
Routt County (P)
Steamboat Springs
 
  Telluride, CO (Moderate - Maintenance)
COLORADO (Region VIII)
San Miguel County (P)
 
  Utah Co, UT (Moderate - Maintenance)
UTAH (Region VIII)
Utah County
 
  Vermillion Co, IN (Moderate - Maintenance)
INDIANA (Region V)
Vermillion County (P)
 
  Wallula, WA (Serious - Maintenance)
WASHINGTON (Region X)
Walla Walla County (P)
Wallula
 
  Washoe Co, NV (Serious - Maintenance)
NEVADA (Region IX)
Washoe County (P)
Reno planning area Hydrographic area 87
 
  Wayne Co, MI (Moderate - Maintenance)
MICHIGAN (Region V)
Wayne County (P)
Detroit
 
  Weirton, WV (Moderate - Maintenance)
WEST VIRGINIA (Region III)
Brooke County (P)
The city of Weirton
Hancock County (P)
The city of Weirton
 
  Yakima Co, WA (Moderate - Maintenance)
WASHINGTON (Region X)
Yakima County (P)


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