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California

United States

2025-12-29 10:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
35.7
CO
μg/m³
502.5
NO2
μg/m³
14.8
PM2.5
μg/m³
7.4
PM10
μg/m³
10.6
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
9℃
96%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • CO
  • NO2
  • PM2.5
  • PM10
  • SO2
Places included
Alameda County
AQI 51
Alpine County
AQI 20
Amador County
AQI 19
Butte County
AQI 47
Calaveras County
AQI 19
Colusa County
AQI 63
Contra Costa County
AQI 30
Del Norte County
AQI 4
El Dorado County
AQI 30
Fresno County
AQI 44
Glenn County
AQI 67
Humboldt County
AQI 16
Imperial County
AQI 51
Inyo County
AQI 80
Kern County
AQI 32
Kings County
AQI 28
Lake County
AQI 19
Lassen County
AQI 6
Los Angeles County
AQI 39
Madera County
AQI 10
Marin County
AQI 26
Mariposa County
AQI 93
Mendocino County
AQI 21
Merced County
AQI 22
Modoc County
AQI 2
Mono County
AQI 15
Monterey County
AQI 30
Napa County
AQI 14
Nevada County
AQI 11
Orange County
AQI 41
Placer County
AQI 37
Plumas County
AQI 3
Riverside County
AQI 63
Sacramento County
AQI 61
San Benito County
AQI 7
San Bernardino County
AQI 65
San Diego County
AQI 52
San Francisco County
AQI 60
San Joaquin County
AQI 21
San Luis Obispo County
AQI 40
San Mateo County
AQI 28
Santa Barbara County
AQI 29
Santa Clara County
AQI 49
Santa Cruz County
AQI 32
Shasta County
AQI 75
Sierra County
AQI 3
Siskiyou County
AQI 10
Solano County
AQI 32
Sonoma County
AQI 32
Stanislaus County
AQI 32
Sutter County
AQI 30
Tehama County
AQI 60
Trinity County
AQI 30
Tulare County
AQI 43
Tuolumne County
AQI 15
Ventura County
AQI 72
Yolo County
AQI 45
Yuba County
AQI 10
Data Sources
http://www.airnow.gov/

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