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  3. California

California

United States

2025-12-29 15:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
31.5
NO2
μg/m³
19
CO
μg/m³
471.2
PM2.5
μg/m³
5.8
PM10
μg/m³
9.2
SO2
μg/m³
1
Weather
  • ℃
  • ℉
7℃
100%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM2.5
  • PM10
  • SO2
Places included
Alameda County
AQI 51
Alpine County
AQI 17
Amador County
AQI 11
Butte County
AQI 44
Calaveras County
AQI 11
Colusa County
AQI 52
Contra Costa County
AQI 46
Del Norte County
AQI 7
El Dorado County
AQI 39
Fresno County
AQI 50
Glenn County
AQI 69
Humboldt County
AQI 8
Imperial County
AQI 48
Inyo County
AQI 80
Kern County
AQI 32
Kings County
AQI 22
Lake County
AQI 18
Lassen County
AQI 12
Los Angeles County
AQI 47
Madera County
AQI 27
Marin County
AQI 44
Mariposa County
AQI 93
Mendocino County
AQI 16
Merced County
AQI 18
Modoc County
AQI 2
Mono County
AQI 16
Monterey County
AQI 27
Napa County
AQI 8
Nevada County
AQI 9
Orange County
AQI 42
Placer County
AQI 22
Plumas County
AQI 10
Riverside County
AQI 63
Sacramento County
AQI 19
San Benito County
AQI 12
San Bernardino County
AQI 63
San Diego County
AQI 52
San Francisco County
AQI 43
San Joaquin County
AQI 29
San Luis Obispo County
AQI 37
San Mateo County
AQI 32
Santa Barbara County
AQI 25
Santa Clara County
AQI 47
Santa Cruz County
AQI 26
Shasta County
AQI 56
Sierra County
AQI 8
Siskiyou County
AQI 17
Solano County
AQI 25
Sonoma County
AQI 25
Stanislaus County
AQI 18
Sutter County
AQI 21
Tehama County
AQI 50
Trinity County
AQI 12
Tulare County
AQI 29
Tuolumne County
AQI 11
Ventura County
AQI 71
Yolo County
AQI 24
Yuba County
AQI 17
Data Sources
http://www.airnow.gov/

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