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California

United States

2026-08-18 06:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
27
O3
μg/m³
63.4
PM2.5
μg/m³
6.9
NO2
μg/m³
9.8
CO
μg/m³
301.3
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
25℃
44%
13 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 14
Amador County
AQI 25
Butte County
AQI 36
Calaveras County
AQI 33
Colusa County
AQI 31
Contra Costa County
AQI 18
Del Norte County
AQI 10
El Dorado County
AQI 29
Fresno County
AQI 58
Glenn County
AQI 26
Humboldt County
AQI 7
Imperial County
AQI 33
Inyo County
AQI 29
Kern County
AQI 63
Kings County
AQI 63
Lake County
AQI 13
Lassen County
AQI 10
Los Angeles County
AQI 54
Madera County
AQI 53
Marin County
AQI 17
Mariposa County
AQI 45
Mendocino County
AQI 14
Merced County
AQI 33
Modoc County
AQI 12
Mono County
AQI 12
Monterey County
AQI 22
Napa County
AQI 10
Nevada County
AQI 5
Orange County
AQI 30
Placer County
AQI 31
Plumas County
AQI 3
Riverside County
AQI 37
Sacramento County
AQI 26
San Benito County
AQI 23
San Bernardino County
AQI 30
San Diego County
AQI 27
San Francisco County
AQI 19
San Joaquin County
AQI 22
San Luis Obispo County
AQI 25
San Mateo County
AQI 17
Santa Barbara County
AQI 21
Santa Clara County
AQI 18
Santa Cruz County
AQI 19
Shasta County
AQI 33
Sierra County
AQI 3
Siskiyou County
AQI 26
Solano County
AQI 25
Sonoma County
AQI 10
Stanislaus County
AQI 27
Sutter County
AQI 32
Tehama County
AQI 40
Trinity County
AQI 9
Tulare County
AQI 55
Tuolumne County
AQI 34
Ventura County
AQI 21
Yolo County
AQI 21
Yuba County
AQI 22
Data Sources
http://www.airnow.gov/

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