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California

United States

2025-12-30 03:00
AQI (India)
Good
Pollutants|Pollens
NO2
μg/m³
27
O3
μg/m³
31.4
CO
μg/m³
541.9
PM2.5
μg/m³
12.4
PM10
μg/m³
17.3
SO2
μg/m³
1
Weather
  • ℃
  • ℉
6℃
99%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • NO2
  • O3
  • CO
  • PM2.5
  • PM10
  • SO2
Places included
Alameda County
AQI 62
Alpine County
AQI 59
Amador County
AQI 15
Butte County
AQI 43
Calaveras County
AQI 15
Colusa County
AQI 28
Contra Costa County
AQI 28
Del Norte County
AQI 27
El Dorado County
AQI 25
Fresno County
AQI 41
Glenn County
AQI 22
Humboldt County
AQI 59
Imperial County
AQI 54
Inyo County
AQI 84
Kern County
AQI 33
Kings County
AQI 52
Lake County
AQI 28
Lassen County
AQI 67
Los Angeles County
AQI 47
Madera County
AQI 23
Marin County
AQI 50
Mariposa County
AQI 84
Mendocino County
AQI 30
Merced County
AQI 23
Modoc County
AQI 2
Mono County
AQI 42
Monterey County
AQI 38
Napa County
AQI 18
Nevada County
AQI 29
Orange County
AQI 57
Placer County
AQI 37
Plumas County
AQI 62
Riverside County
AQI 72
Sacramento County
AQI 34
San Benito County
AQI 30
San Bernardino County
AQI 63
San Diego County
AQI 69
San Francisco County
AQI 71
San Joaquin County
AQI 28
San Luis Obispo County
AQI 58
San Mateo County
AQI 28
Santa Barbara County
AQI 39
Santa Clara County
AQI 70
Santa Cruz County
AQI 38
Shasta County
AQI 45
Sierra County
AQI 57
Siskiyou County
AQI 22
Solano County
AQI 25
Sonoma County
AQI 50
Stanislaus County
AQI 37
Sutter County
AQI 23
Tehama County
AQI 39
Trinity County
AQI 69
Tulare County
AQI 51
Tuolumne County
AQI 13
Ventura County
AQI 79
Yolo County
AQI 22
Yuba County
AQI 15
Data Sources
http://www.airnow.gov/

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