Table 6b: Cleanest Counties for Ozone Air Pollution1
| County,State
| Metropolitan Statistical Area
| County,State
| Metropolitan Statistical Area
|
| Yukon-Koyukuk,AK |
|
Lake,MN |
|
| Cochise,AZ |
|
Saint Louis,MN |
Duluth,MN-WI |
| Coconino,AZ |
Flagstaff,AZ |
Warren,MS |
|
| Montgomery,AR |
|
Flathead,MT |
|
| Glenn,CA |
|
Douglas,NE |
Omaha-Council Bluffs-Fremont,NE-IA |
| Lake,CA |
|
Lancaster,NE |
Lincoln,NE |
| Marin,CA |
San Jose-San Francisco-Oakland,CA |
Douglas,NV |
Sacramento-Arden-Arcade-Truckee,CA-NV |
| Mendocino,CA |
|
White Pine,NV |
|
| Monterey,CA |
Salinas,CA |
Eddy,NM |
|
| Napa,CA |
San Jose-San Francisco-Oakland,CA |
Sandoval,NM |
Albuquerque,NM |
| Plumas,CA |
|
SanJuan,NM |
Farmington,NM |
| San Francisco,CA |
San Jose-San Francisco-Oakland,CA |
Valencia,NM |
Albuquerque,NM |
| San Mateo,CA |
San Jose-San Francisco-Oakland,CA |
Swain,NC |
|
| Santa Cruz,CA |
San Jose-San Francisco-Oakland,CA |
Billings,ND |
|
| Siskiyou,CA |
|
Cass,ND |
Fargo-Wahpeton,ND-MN |
| Solano,CA |
San Jose-San Francisco-Oakland,CA |
Dunn,ND |
|
| Sonoma,CA |
San Jose-San Francisco-Oakland,CA |
Mc |
Kenzie,ND |
| Adams,CO |
Denver-Aurora-Boulder,CO |
Mercer,ND |
|
| El Paso,CO |
|
Colorado Springs,CO |
Oliver,ND |
| La Plata,CO |
|
Columbia,OR |
Portland-Vancouver-Beaverton,OR-WA |
| Montezuma,CO |
|
Jackson,OR |
Medford,OR |
| Baker,FL |
Jacksonville,FL |
Lane,OR |
Eugene-Springfield,OR |
| Columbia,FL |
|
Marion,OR |
Salem,OR |
| Duval,FL |
Jacksonville,FL |
Berkeley,SC |
Charleston-North Charleston,SC |
| Highlands,FL |
|
Minnehaha,SD |
Sioux Falls,SD |
| Leon,FL |
Tallahassee,FL |
Brewster,TX |
|
| Volusia,FL |
Deltona-Daytona Beach-Palm Coast,FL |
Cameron,TX |
Brownsville-Harlingen-Raymondville,TX |
| Hawaii,HI |
|
Webb,TX |
Laredo,TX |
| Honolulu,HI |
Honolulu,HI |
Cache,UT |
Logan,UT-ID |
| Butte,ID |
|
San Juan,UT |
|
| Elmore,ID |
|
Clallam,WA |
|
| Rock Island,IL |
Davenport-Moline-Rock Island,IA-IL |
Clark,WA |
Portland-Vancouver-Beaverton,OR-WA |
| Linn,IA |
Cedar Rapids,IA |
Klickitat,WA |
|
| Palo Alto,IA |
|
Skagit,WA |
Mount Vernon-Anacortes,WA |
| Polk,IA |
Des Moines-Newton-Pella,IA |
Spokane,WA |
Spokane,WA |
| Story,IA |
Ames-Boone,IA |
Thurston,WA |
Seattle-Tacoma-Olympia,WA |
| Warren,IA |
Des Moines-Newton-Pella,IA |
Whatcom,WA |
Bellingham,WA |
| Linn,KS |
Kansas City-Overland Park-Kansas City,MO-KS |
Marathon,WI |
Wausau-Merrill,WI |
| Trego,KS |
|
Oneida,WI |
|
| Trigg,KY |
Clarksville,TN-KY |
Sauk,WI |
Madison-Baraboo,WI |
| Beauregard,LA |
Fort Polk South-De Ridder,LA |
Vernon,WI |
|
| Orleans,LA |
New Orleans-Metairie-Bogalusa,LA |
Vilas,WI |
|
| Saint |
Mary,LA |
Teton,WY |
|
| Carlton,MN |
Duluth,MN-WI |
(1) This list represents counties with no monitored ozone air pollution in unhealthful ranges.
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