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California

United States

2026-08-19 18:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
40.8
O3
μg/m³
82.9
PM2.5
μg/m³
10
NO2
μg/m³
13.6
CO
μg/m³
397.8
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
35℃
29%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 45
Alpine County
AQI 55
Amador County
AQI 39
Butte County
AQI 53
Calaveras County
AQI 42
Colusa County
AQI 35
Contra Costa County
AQI 34
Del Norte County
AQI 12
El Dorado County
AQI 41
Fresno County
AQI 91
Glenn County
AQI 35
Humboldt County
AQI 27
Imperial County
AQI 52
Inyo County
AQI 38
Kern County
AQI 69
Kings County
AQI 77
Lake County
AQI 24
Lassen County
AQI 8
Los Angeles County
AQI 42
Madera County
AQI 80
Marin County
AQI 17
Mariposa County
AQI 48
Mendocino County
AQI 20
Merced County
AQI 82
Modoc County
AQI 12
Mono County
AQI 12
Monterey County
AQI 46
Napa County
AQI 11
Nevada County
AQI 14
Orange County
AQI 52
Placer County
AQI 37
Plumas County
AQI 6
Riverside County
AQI 47
Sacramento County
AQI 32
San Benito County
AQI 35
San Bernardino County
AQI 46
San Diego County
AQI 32
San Francisco County
AQI 17
San Joaquin County
AQI 43
San Luis Obispo County
AQI 39
San Mateo County
AQI 21
Santa Barbara County
AQI 22
Santa Clara County
AQI 35
Santa Cruz County
AQI 22
Shasta County
AQI 47
Sierra County
AQI 6
Siskiyou County
AQI 41
Solano County
AQI 24
Sonoma County
AQI 18
Stanislaus County
AQI 57
Sutter County
AQI 44
Tehama County
AQI 44
Trinity County
AQI 34
Tulare County
AQI 48
Tuolumne County
AQI 42
Ventura County
AQI 44
Yolo County
AQI 25
Yuba County
AQI 44
Data Sources
http://www.airnow.gov/

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