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  3. California

California

United States

2025-12-30 00:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
52.9
NO2
μg/m³
14.5
CO
μg/m³
325.4
PM10
μg/m³
12.3
PM2.5
μg/m³
6.4
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
9℃
87%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM10
  • PM2.5
  • SO2
Places included
Alameda County
AQI 59
Alpine County
AQI 9
Amador County
AQI 35
Butte County
AQI 52
Calaveras County
AQI 37
Colusa County
AQI 39
Contra Costa County
AQI 55
Del Norte County
AQI 9
El Dorado County
AQI 37
Fresno County
AQI 54
Glenn County
AQI 54
Humboldt County
AQI 22
Imperial County
AQI 63
Inyo County
AQI 88
Kern County
AQI 47
Kings County
AQI 52
Lake County
AQI 5
Lassen County
AQI 62
Los Angeles County
AQI 69
Madera County
AQI 48
Marin County
AQI 33
Mariposa County
AQI 73
Mendocino County
AQI 21
Merced County
AQI 41
Modoc County
AQI 2
Mono County
AQI 31
Monterey County
AQI 53
Napa County
AQI 8
Nevada County
AQI 18
Orange County
AQI 88
Placer County
AQI 35
Plumas County
AQI 47
Riverside County
AQI 81
Sacramento County
AQI 37
San Benito County
AQI 52
San Bernardino County
AQI 84
San Diego County
AQI 82
San Francisco County
AQI 47
San Joaquin County
AQI 33
San Luis Obispo County
AQI 64
San Mateo County
AQI 58
Santa Barbara County
AQI 61
Santa Clara County
AQI 54
Santa Cruz County
AQI 57
Shasta County
AQI 55
Sierra County
AQI 36
Siskiyou County
AQI 43
Solano County
AQI 40
Sonoma County
AQI 48
Stanislaus County
AQI 35
Sutter County
AQI 30
Tehama County
AQI 60
Trinity County
AQI 7
Tulare County
AQI 55
Tuolumne County
AQI 10
Ventura County
AQI 85
Yolo County
AQI 36
Yuba County
AQI 19
Data Sources
http://www.airnow.gov/

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