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California

United States

2025-12-30 08:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
28.6
NO2
μg/m³
21.4
CO
μg/m³
503.9
PM2.5
μg/m³
10.7
PM10
μg/m³
10.6
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
3℃
100%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM2.5
  • PM10
  • SO2
Places included
Alameda County
AQI 52
Alpine County
AQI 74
Amador County
AQI 12
Butte County
AQI 39
Calaveras County
AQI 30
Colusa County
AQI 18
Contra Costa County
AQI 28
Del Norte County
AQI 15
El Dorado County
AQI 17
Fresno County
AQI 27
Glenn County
AQI 18
Humboldt County
AQI 26
Imperial County
AQI 52
Inyo County
AQI 86
Kern County
AQI 32
Kings County
AQI 28
Lake County
AQI 34
Lassen County
AQI 24
Los Angeles County
AQI 45
Madera County
AQI 16
Marin County
AQI 39
Mariposa County
AQI 95
Mendocino County
AQI 34
Merced County
AQI 17
Modoc County
AQI 2
Mono County
AQI 11
Monterey County
AQI 40
Napa County
AQI 29
Nevada County
AQI 14
Orange County
AQI 80
Placer County
AQI 29
Plumas County
AQI 28
Riverside County
AQI 64
Sacramento County
AQI 26
San Benito County
AQI 15
San Bernardino County
AQI 73
San Diego County
AQI 63
San Francisco County
AQI 46
San Joaquin County
AQI 21
San Luis Obispo County
AQI 54
San Mateo County
AQI 40
Santa Barbara County
AQI 34
Santa Clara County
AQI 63
Santa Cruz County
AQI 40
Shasta County
AQI 24
Sierra County
AQI 32
Siskiyou County
AQI 27
Solano County
AQI 38
Sonoma County
AQI 32
Stanislaus County
AQI 28
Sutter County
AQI 23
Tehama County
AQI 14
Trinity County
AQI 49
Tulare County
AQI 33
Tuolumne County
AQI 14
Ventura County
AQI 83
Yolo County
AQI 20
Yuba County
AQI 18
Data Sources
http://www.airnow.gov/

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