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California

United States

2026-10-11 01:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
35.2
O3
μg/m³
86.4
PM2.5
μg/m³
7.5
NO2
μg/m³
8.3
CO
μg/m³
252.1
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
25℃
35%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 22
Alpine County
AQI 10
Amador County
AQI 37
Butte County
AQI 52
Calaveras County
AQI 36
Colusa County
AQI 53
Contra Costa County
AQI 38
Del Norte County
AQI 10
El Dorado County
AQI 33
Fresno County
AQI 57
Glenn County
AQI 57
Humboldt County
AQI 34
Imperial County
AQI 72
Inyo County
AQI 38
Kern County
AQI 34
Kings County
AQI 57
Lake County
AQI 10
Lassen County
AQI 5
Los Angeles County
AQI 27
Madera County
AQI 35
Marin County
AQI 21
Mariposa County
AQI 39
Mendocino County
AQI 36
Merced County
AQI 58
Modoc County
AQI 11
Mono County
AQI 19
Monterey County
AQI 40
Napa County
AQI 19
Nevada County
AQI 12
Orange County
AQI 26
Placer County
AQI 30
Plumas County
AQI 4
Riverside County
AQI 25
Sacramento County
AQI 26
San Benito County
AQI 33
San Bernardino County
AQI 35
San Diego County
AQI 18
San Francisco County
AQI 22
San Joaquin County
AQI 37
San Luis Obispo County
AQI 37
San Mateo County
AQI 23
Santa Barbara County
AQI 25
Santa Clara County
AQI 27
Santa Cruz County
AQI 27
Shasta County
AQI 50
Sierra County
AQI 4
Siskiyou County
AQI 25
Solano County
AQI 23
Sonoma County
AQI 23
Stanislaus County
AQI 55
Sutter County
AQI 30
Tehama County
AQI 50
Trinity County
AQI 2
Tulare County
AQI 54
Tuolumne County
AQI 35
Ventura County
AQI 28
Yolo County
AQI 26
Yuba County
AQI 30
Data Sources
http://www.airnow.gov/

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