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  3. California

California

United States

2025-12-20 08:00
AQC (Australia)
Good
Pollutants|Pollens
PM10
μg/m³
19.2
O3
μg/m³
34.2
PM2.5
μg/m³
8.5
NO2
μg/m³
18.1
CO
μg/m³
489
SO2
μg/m³
0.8
Weather
  • ℃
  • ℉
10℃
98%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQC (Australia)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI
Alpine County
AQI
Amador County
AQI
Butte County
AQI
Calaveras County
AQI
Colusa County
AQI
Contra Costa County
AQI
Del Norte County
AQI
El Dorado County
AQI
Fresno County
AQI
Glenn County
AQI
Humboldt County
AQI
Imperial County
AQI
Inyo County
AQI
Kern County
AQI
Kings County
AQI
Lake County
AQI
Lassen County
AQI
Los Angeles County
AQI
Madera County
AQI
Marin County
AQI
Mariposa County
AQI
Mendocino County
AQI
Merced County
AQI
Modoc County
AQI
Mono County
AQI
Monterey County
AQI
Napa County
AQI
Nevada County
AQI
Orange County
AQI
Placer County
AQI
Plumas County
AQI
Riverside County
AQI
Sacramento County
AQI
San Benito County
AQI
San Bernardino County
AQI
San Diego County
AQI
San Francisco County
AQI
San Joaquin County
AQI
San Luis Obispo County
AQI
San Mateo County
AQI
Santa Barbara County
AQI
Santa Clara County
AQI
Santa Cruz County
AQI
Shasta County
AQI
Sierra County
AQI
Siskiyou County
AQI
Solano County
AQI
Sonoma County
AQI
Stanislaus County
AQI
Sutter County
AQI
Tehama County
AQI
Trinity County
AQI
Tulare County
AQI
Tuolumne County
AQI
Ventura County
AQI
Yolo County
AQI
Yuba County
AQI
Data Sources
http://www.airnow.gov/

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