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California

United States

2026-08-18 07:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
26.2
O3
μg/m³
61.9
PM2.5
μg/m³
6.7
NO2
μg/m³
9.9
CO
μg/m³
279
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
24℃
45%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 32
Alpine County
AQI 9
Amador County
AQI 25
Butte County
AQI 36
Calaveras County
AQI 33
Colusa County
AQI 36
Contra Costa County
AQI 17
Del Norte County
AQI 5
El Dorado County
AQI 29
Fresno County
AQI 53
Glenn County
AQI 25
Humboldt County
AQI 6
Imperial County
AQI 33
Inyo County
AQI 27
Kern County
AQI 66
Kings County
AQI 57
Lake County
AQI 20
Lassen County
AQI 11
Los Angeles County
AQI 26
Madera County
AQI 58
Marin County
AQI 16
Mariposa County
AQI 38
Mendocino County
AQI 20
Merced County
AQI 33
Modoc County
AQI 12
Mono County
AQI 13
Monterey County
AQI 23
Napa County
AQI 9
Nevada County
AQI 11
Orange County
AQI 26
Placer County
AQI 30
Plumas County
AQI 3
Riverside County
AQI 37
Sacramento County
AQI 25
San Benito County
AQI 23
San Bernardino County
AQI 29
San Diego County
AQI 24
San Francisco County
AQI 19
San Joaquin County
AQI 25
San Luis Obispo County
AQI 23
San Mateo County
AQI 14
Santa Barbara County
AQI 20
Santa Clara County
AQI 18
Santa Cruz County
AQI 21
Shasta County
AQI 31
Sierra County
AQI 3
Siskiyou County
AQI 24
Solano County
AQI 23
Sonoma County
AQI 9
Stanislaus County
AQI 27
Sutter County
AQI 32
Tehama County
AQI 38
Trinity County
AQI 2
Tulare County
AQI 57
Tuolumne County
AQI 34
Ventura County
AQI 32
Yolo County
AQI 23
Yuba County
AQI 31
Data Sources
http://www.airnow.gov/

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