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California

United States

2024-09-21 05:00
AQI (US)
Good
Pollutants|Pollens
PM10
μg/m³
31.5
PM2.5
μg/m³
6.8
O3
μg/m³
67.7
NO2
μg/m³
12.4
CO
μg/m³
366.2
SO2
μg/m³
0.7
Weather
  • ℃
  • ℉
21℃
61%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 20
Alpine County
AQI 27
Amador County
AQI 51
Butte County
AQI 36
Calaveras County
AQI 41
Colusa County
AQI 49
Contra Costa County
AQI 25
Del Norte County
AQI 34
El Dorado County
AQI 36
Fresno County
AQI 65
Glenn County
AQI 21
Humboldt County
AQI 57
Imperial County
AQI 34
Inyo County
AQI 34
Kern County
AQI 33
Kings County
AQI 61
Lake County
AQI 42
Lassen County
AQI 21
Los Angeles County
AQI 25
Madera County
AQI 87
Marin County
AQI 15
Mariposa County
AQI 72
Mendocino County
AQI 36
Merced County
AQI 63
Modoc County
AQI 4
Mono County
AQI 15
Monterey County
AQI 26
Napa County
AQI 21
Nevada County
AQI 45
Orange County
AQI 40
Placer County
AQI 34
Plumas County
AQI 12
Riverside County
AQI 33
Sacramento County
AQI 31
San Benito County
AQI 28
San Bernardino County
AQI 51
San Diego County
AQI 29
San Francisco County
AQI 20
San Joaquin County
AQI 40
San Luis Obispo County
AQI 21
San Mateo County
AQI 16
Santa Barbara County
AQI 21
Santa Clara County
AQI 21
Santa Cruz County
AQI 22
Shasta County
AQI 27
Sierra County
AQI 6
Siskiyou County
AQI 38
Solano County
AQI 25
Sonoma County
AQI 18
Stanislaus County
AQI 55
Sutter County
AQI 41
Tehama County
AQI 26
Trinity County
AQI 17
Tulare County
AQI 55
Tuolumne County
AQI 33
Ventura County
AQI 23
Yolo County
AQI 22
Yuba County
AQI 41
Data Sources
http://www.airnow.gov/

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