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California

United States

2026-08-19 13:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
32.6
O3
μg/m³
46.5
PM2.5
μg/m³
7.9
NO2
μg/m³
17.4
CO
μg/m³
417.3
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
25℃
41%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 30
Alpine County
AQI 9
Amador County
AQI 20
Butte County
AQI 27
Calaveras County
AQI 27
Colusa County
AQI 49
Contra Costa County
AQI 86
Del Norte County
AQI 5
El Dorado County
AQI 23
Fresno County
AQI 44
Glenn County
AQI 22
Humboldt County
AQI 29
Imperial County
AQI 32
Inyo County
AQI 24
Kern County
AQI 60
Kings County
AQI 43
Lake County
AQI 20
Lassen County
AQI 12
Los Angeles County
AQI 33
Madera County
AQI 43
Marin County
AQI 17
Mariposa County
AQI 43
Mendocino County
AQI 18
Merced County
AQI 33
Modoc County
AQI 15
Mono County
AQI 10
Monterey County
AQI 31
Napa County
AQI 12
Nevada County
AQI 10
Orange County
AQI 35
Placer County
AQI 23
Plumas County
AQI 3
Riverside County
AQI 63
Sacramento County
AQI 20
San Benito County
AQI 15
San Bernardino County
AQI 58
San Diego County
AQI 26
San Francisco County
AQI 21
San Joaquin County
AQI 58
San Luis Obispo County
AQI 24
San Mateo County
AQI 17
Santa Barbara County
AQI 20
Santa Clara County
AQI 20
Santa Cruz County
AQI 14
Shasta County
AQI 41
Sierra County
AQI 3
Siskiyou County
AQI 16
Solano County
AQI 20
Sonoma County
AQI 23
Stanislaus County
AQI 35
Sutter County
AQI 26
Tehama County
AQI 41
Trinity County
AQI 37
Tulare County
AQI 46
Tuolumne County
AQI 31
Ventura County
AQI 47
Yolo County
AQI 18
Yuba County
AQI 23
Data Sources
http://www.airnow.gov/

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