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California

United States

2026-08-19 18:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
41.1
O3
μg/m³
87.8
PM2.5
μg/m³
9
NO2
μg/m³
12.9
CO
μg/m³
380.2
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
37℃
28%
9 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 8
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 9
El Dorado County
AQI 41
Fresno County
AQI 91
Glenn County
AQI 35
Humboldt County
AQI 27
Imperial County
AQI 56
Inyo County
AQI 40
Kern County
AQI 69
Kings County
AQI 77
Lake County
AQI 17
Lassen County
AQI 6
Los Angeles County
AQI 51
Madera County
AQI 80
Marin County
AQI 17
Mariposa County
AQI 48
Mendocino County
AQI 13
Merced County
AQI 82
Modoc County
AQI 13
Mono County
AQI 12
Monterey County
AQI 38
Napa County
AQI 11
Nevada County
AQI 9
Orange County
AQI 52
Placer County
AQI 41
Plumas County
AQI 15
Riverside County
AQI 53
Sacramento County
AQI 36
San Benito County
AQI 35
San Bernardino County
AQI 51
San Diego County
AQI 35
San Francisco County
AQI 17
San Joaquin County
AQI 43
San Luis Obispo County
AQI 40
San Mateo County
AQI 25
Santa Barbara County
AQI 25
Santa Clara County
AQI 35
Santa Cruz County
AQI 25
Shasta County
AQI 51
Sierra County
AQI 15
Siskiyou County
AQI 43
Solano County
AQI 32
Sonoma County
AQI 18
Stanislaus County
AQI 57
Sutter County
AQI 44
Tehama County
AQI 51
Trinity County
AQI 17
Tulare County
AQI 48
Tuolumne County
AQI 42
Ventura County
AQI 49
Yolo County
AQI 28
Yuba County
AQI 44
Data Sources
http://www.airnow.gov/

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