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California

United States

2026-08-18 13:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM10
μg/m³
24.7
O3
μg/m³
42.8
PM2.5
μg/m³
6.9
NO2
μg/m³
16.6
CO
μg/m³
431.2
SO2
μg/m³
1.6
Weather
  • ℃
  • ℉
26℃
47%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 27
Alpine County
AQI 9
Amador County
AQI 16
Butte County
AQI 39
Calaveras County
AQI 19
Colusa County
AQI 25
Contra Costa County
AQI 20
Del Norte County
AQI 5
El Dorado County
AQI 20
Fresno County
AQI 37
Glenn County
AQI 24
Humboldt County
AQI 17
Imperial County
AQI 53
Inyo County
AQI 23
Kern County
AQI 68
Kings County
AQI 38
Lake County
AQI 14
Lassen County
AQI 15
Los Angeles County
AQI 31
Madera County
AQI 45
Marin County
AQI 14
Mariposa County
AQI 34
Mendocino County
AQI 14
Merced County
AQI 43
Modoc County
AQI 14
Mono County
AQI 14
Monterey County
AQI 15
Napa County
AQI 8
Nevada County
AQI 13
Orange County
AQI 50
Placer County
AQI 21
Plumas County
AQI 6
Riverside County
AQI 44
Sacramento County
AQI 16
San Benito County
AQI 6
San Bernardino County
AQI 62
San Diego County
AQI 24
San Francisco County
AQI 20
San Joaquin County
AQI 23
San Luis Obispo County
AQI 23
San Mateo County
AQI 15
Santa Barbara County
AQI 17
Santa Clara County
AQI 17
Santa Cruz County
AQI 17
Shasta County
AQI 31
Sierra County
AQI 6
Siskiyou County
AQI 19
Solano County
AQI 17
Sonoma County
AQI 17
Stanislaus County
AQI 18
Sutter County
AQI 24
Tehama County
AQI 40
Trinity County
AQI 11
Tulare County
AQI 54
Tuolumne County
AQI 20
Ventura County
AQI 37
Yolo County
AQI 16
Yuba County
AQI 15
Data Sources
http://www.airnow.gov/

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