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California

United States

2025-12-29 12:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
35.4
CO
μg/m³
457.7
NO2
μg/m³
14.3
PM2.5
μg/m³
6.1
PM10
μg/m³
8.3
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
7℃
100%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • CO
  • NO2
  • PM2.5
  • PM10
  • SO2
Places included
Alameda County
AQI 52
Alpine County
AQI 9
Amador County
AQI 10
Butte County
AQI 44
Calaveras County
AQI 10
Colusa County
AQI 60
Contra Costa County
AQI 34
Del Norte County
AQI 7
El Dorado County
AQI 35
Fresno County
AQI 43
Glenn County
AQI 71
Humboldt County
AQI 11
Imperial County
AQI 50
Inyo County
AQI 78
Kern County
AQI 32
Kings County
AQI 30
Lake County
AQI 26
Lassen County
AQI 5
Los Angeles County
AQI 40
Madera County
AQI 12
Marin County
AQI 25
Mariposa County
AQI 93
Mendocino County
AQI 24
Merced County
AQI 28
Modoc County
AQI 2
Mono County
AQI 4
Monterey County
AQI 33
Napa County
AQI 10
Nevada County
AQI 8
Orange County
AQI 45
Placer County
AQI 29
Plumas County
AQI 12
Riverside County
AQI 64
Sacramento County
AQI 57
San Benito County
AQI 7
San Bernardino County
AQI 64
San Diego County
AQI 52
San Francisco County
AQI 56
San Joaquin County
AQI 21
San Luis Obispo County
AQI 38
San Mateo County
AQI 27
Santa Barbara County
AQI 26
Santa Clara County
AQI 47
Santa Cruz County
AQI 26
Shasta County
AQI 68
Sierra County
AQI 17
Siskiyou County
AQI 11
Solano County
AQI 29
Sonoma County
AQI 25
Stanislaus County
AQI 19
Sutter County
AQI 21
Tehama County
AQI 54
Trinity County
AQI 19
Tulare County
AQI 37
Tuolumne County
AQI 13
Ventura County
AQI 71
Yolo County
AQI 43
Yuba County
AQI 14
Data Sources
http://www.airnow.gov/

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