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California

United States

2026-08-18 16:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
34.4
O3
μg/m³
55
PM2.5
μg/m³
7.3
NO2
μg/m³
13.4
CO
μg/m³
386.1
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
29℃
39%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 75
Alpine County
AQI 19
Amador County
AQI 28
Butte County
AQI 42
Calaveras County
AQI 25
Colusa County
AQI 46
Contra Costa County
AQI 24
Del Norte County
AQI 4
El Dorado County
AQI 25
Fresno County
AQI 46
Glenn County
AQI 26
Humboldt County
AQI 8
Imperial County
AQI 51
Inyo County
AQI 30
Kern County
AQI 62
Kings County
AQI 52
Lake County
AQI 18
Lassen County
AQI 11
Los Angeles County
AQI 33
Madera County
AQI 62
Marin County
AQI 15
Mariposa County
AQI 34
Mendocino County
AQI 18
Merced County
AQI 59
Modoc County
AQI 13
Mono County
AQI 14
Monterey County
AQI 17
Napa County
AQI 8
Nevada County
AQI 12
Orange County
AQI 38
Placer County
AQI 23
Plumas County
AQI 6
Riverside County
AQI 50
Sacramento County
AQI 20
San Benito County
AQI 11
San Bernardino County
AQI 68
San Diego County
AQI 27
San Francisco County
AQI 20
San Joaquin County
AQI 48
San Luis Obispo County
AQI 25
San Mateo County
AQI 16
Santa Barbara County
AQI 22
Santa Clara County
AQI 17
Santa Cruz County
AQI 17
Shasta County
AQI 31
Sierra County
AQI 6
Siskiyou County
AQI 24
Solano County
AQI 29
Sonoma County
AQI 17
Stanislaus County
AQI 36
Sutter County
AQI 28
Tehama County
AQI 41
Trinity County
AQI 10
Tulare County
AQI 34
Tuolumne County
AQI 34
Ventura County
AQI 51
Yolo County
AQI 20
Yuba County
AQI 28
Data Sources
http://www.airnow.gov/

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