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California

United States

2026-10-16 19:00
AQI (US)
Moderate
Pollutants|Pollens
PM10
μg/m³
67.1
O3
μg/m³
89.3
PM2.5
μg/m³
6.6
NO2
μg/m³
12.8
CO
μg/m³
361.3
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
33℃
17%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 35
Alpine County
AQI 12
Amador County
AQI 44
Butte County
AQI 51
Calaveras County
AQI 48
Colusa County
AQI 51
Contra Costa County
AQI 74
Del Norte County
AQI 50
El Dorado County
AQI 42
Fresno County
AQI 86
Glenn County
AQI 36
Humboldt County
AQI 69
Imperial County
AQI 83
Inyo County
AQI 37
Kern County
AQI 90
Kings County
AQI 109
Lake County
AQI 34
Lassen County
AQI 19
Los Angeles County
AQI 54
Madera County
AQI 71
Marin County
AQI 33
Mariposa County
AQI 45
Mendocino County
AQI 34
Merced County
AQI 80
Modoc County
AQI 10
Mono County
AQI 7
Monterey County
AQI 52
Napa County
AQI 26
Nevada County
AQI 28
Orange County
AQI 56
Placer County
AQI 40
Plumas County
AQI 31
Riverside County
AQI 134
Sacramento County
AQI 51
San Benito County
AQI 50
San Bernardino County
AQI 38
San Diego County
AQI 52
San Francisco County
AQI 50
San Joaquin County
AQI 62
San Luis Obispo County
AQI 61
San Mateo County
AQI 43
Santa Barbara County
AQI 39
Santa Clara County
AQI 52
Santa Cruz County
AQI 44
Shasta County
AQI 41
Sierra County
AQI 31
Siskiyou County
AQI 35
Solano County
AQI 66
Sonoma County
AQI 35
Stanislaus County
AQI 65
Sutter County
AQI 57
Tehama County
AQI 38
Trinity County
AQI 6
Tulare County
AQI 84
Tuolumne County
AQI 47
Ventura County
AQI 90
Yolo County
AQI 35
Yuba County
AQI 57
Data Sources
http://www.airnow.gov/

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