California
United States
31
Alameda County
California
AQI 27
Alpine County
California
AQI 33
Amador County
California
AQI 25
Butte County
California
AQI 37
Calaveras County
California
AQI 25
Colusa County
California
AQI 48
Contra Costa County
California
AQI 40
Del Norte County
California
AQI 42
El Dorado County
California
AQI 32
Fresno County
California
AQI 36
Glenn County
California
AQI 38
Humboldt County
California
AQI 48
Imperial County
California
AQI 47
Inyo County
California
AQI 38
Kern County
California
AQI 36
Kings County
California
AQI 41
Lake County
California
AQI 50
Lassen County
California
AQI 30
Los Angeles County
California
AQI 34
Madera County
California
AQI 33
Marin County
California
AQI 38
Mariposa County
California
AQI 53
Mendocino County
California
AQI 45
Merced County
California
AQI 34
Modoc County
California
AQI 41
Mono County
California
AQI 63
Monterey County
California
AQI 26
Napa County
California
AQI 32
Nevada County
California
AQI 31
Orange County
California
AQI 39
Placer County
California
AQI 31
Plumas County
California
AQI 22
Riverside County
California
AQI 48
Sacramento County
California
AQI 33
San Benito County
California
AQI 44
San Bernardino County
California
AQI 41
San Diego County
California
AQI 33
San Francisco County
California
AQI 34
San Joaquin County
California
AQI 32
San Luis Obispo County
California
AQI 29
San Mateo County
California
AQI 24
Santa Barbara County
California
AQI 27
Santa Clara County
California
AQI 27
Santa Cruz County
California
AQI 51
Shasta County
California
AQI 52
Sierra County
California
AQI 16
Siskiyou County
California
AQI 36
Solano County
California
AQI 29
Sonoma County
California
AQI 32
Stanislaus County
California
AQI 33
Sutter County
California
AQI 37
Tehama County
California
AQI 50
Trinity County
California
AQI 9
Tulare County
California
AQI 31
Tuolumne County
California
AQI 23
Ventura County
California
AQI 26
Yolo County
California
AQI 30
Yuba County
California
AQI 28
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