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California

United States

2026-01-17 08:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
15
PM10
μg/m³
20.6
NO2
μg/m³
29.7
O3
μg/m³
25.9
CO
μg/m³
875.8
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
8℃
100%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • O3
  • CO
  • SO2
Places included
Alameda County
AQI 53
Alpine County
AQI 62
Amador County
AQI 17
Butte County
AQI 61
Calaveras County
AQI 17
Colusa County
AQI 75
Contra Costa County
AQI 62
Del Norte County
AQI 30
El Dorado County
AQI 48
Fresno County
AQI 68
Glenn County
AQI 54
Humboldt County
AQI 23
Imperial County
AQI 48
Inyo County
AQI 31
Kern County
AQI 68
Kings County
AQI 76
Lake County
AQI 66
Lassen County
AQI 54
Los Angeles County
AQI 69
Madera County
AQI 77
Marin County
AQI 48
Mariposa County
AQI 39
Mendocino County
AQI 80
Merced County
AQI 64
Modoc County
AQI 6
Mono County
AQI 24
Monterey County
AQI 25
Napa County
AQI 90
Nevada County
AQI 48
Orange County
AQI 62
Placer County
AQI 42
Plumas County
AQI 57
Riverside County
AQI 22
Sacramento County
AQI 77
San Benito County
AQI 51
San Bernardino County
AQI 47
San Diego County
AQI 39
San Francisco County
AQI 69
San Joaquin County
AQI 86
San Luis Obispo County
AQI 55
San Mateo County
AQI 64
Santa Barbara County
AQI 32
Santa Clara County
AQI 66
Santa Cruz County
AQI 57
Shasta County
AQI 64
Sierra County
AQI 60
Siskiyou County
AQI 76
Solano County
AQI 75
Sonoma County
AQI 84
Stanislaus County
AQI 80
Sutter County
AQI 92
Tehama County
AQI 59
Trinity County
AQI 51
Tulare County
AQI 70
Tuolumne County
AQI 9
Ventura County
AQI 27
Yolo County
AQI 79
Yuba County
AQI 89
Data Sources
http://www.airnow.gov/

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