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California

United States

2026-08-19 08:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
26.8
O3
μg/m³
61.9
PM2.5
μg/m³
8.7
NO2
μg/m³
11
CO
μg/m³
354.2
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
23℃
44%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 21
Alpine County
AQI 3
Amador County
AQI 26
Butte County
AQI 35
Calaveras County
AQI 29
Colusa County
AQI 30
Contra Costa County
AQI 24
Del Norte County
AQI 12
El Dorado County
AQI 30
Fresno County
AQI 57
Glenn County
AQI 22
Humboldt County
AQI 20
Imperial County
AQI 30
Inyo County
AQI 30
Kern County
AQI 58
Kings County
AQI 64
Lake County
AQI 30
Lassen County
AQI 11
Los Angeles County
AQI 29
Madera County
AQI 62
Marin County
AQI 13
Mariposa County
AQI 47
Mendocino County
AQI 24
Merced County
AQI 34
Modoc County
AQI 12
Mono County
AQI 9
Monterey County
AQI 22
Napa County
AQI 17
Nevada County
AQI 12
Orange County
AQI 28
Placer County
AQI 31
Plumas County
AQI 4
Riverside County
AQI 44
Sacramento County
AQI 23
San Benito County
AQI 22
San Bernardino County
AQI 33
San Diego County
AQI 26
San Francisco County
AQI 22
San Joaquin County
AQI 29
San Luis Obispo County
AQI 27
San Mateo County
AQI 16
Santa Barbara County
AQI 19
Santa Clara County
AQI 17
Santa Cruz County
AQI 21
Shasta County
AQI 32
Sierra County
AQI 16
Siskiyou County
AQI 26
Solano County
AQI 24
Sonoma County
AQI 20
Stanislaus County
AQI 26
Sutter County
AQI 32
Tehama County
AQI 38
Trinity County
AQI 40
Tulare County
AQI 58
Tuolumne County
AQI 31
Ventura County
AQI 30
Yolo County
AQI 15
Yuba County
AQI 23
Data Sources
http://www.airnow.gov/

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