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California

United States

2026-08-18 04:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
83.8
PM10
μg/m³
32.7
PM2.5
μg/m³
7
NO2
μg/m³
11.1
CO
μg/m³
319.2
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
28℃
37%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 23
Alpine County
AQI 13
Amador County
AQI 44
Butte County
AQI 46
Calaveras County
AQI 46
Colusa County
AQI 36
Contra Costa County
AQI 18
Del Norte County
AQI 4
El Dorado County
AQI 42
Fresno County
AQI 75
Glenn County
AQI 42
Humboldt County
AQI 10
Imperial County
AQI 37
Inyo County
AQI 32
Kern County
AQI 59
Kings County
AQI 83
Lake County
AQI 15
Lassen County
AQI 8
Los Angeles County
AQI 30
Madera County
AQI 58
Marin County
AQI 18
Mariposa County
AQI 50
Mendocino County
AQI 15
Merced County
AQI 58
Modoc County
AQI 10
Mono County
AQI 14
Monterey County
AQI 22
Napa County
AQI 19
Nevada County
AQI 6
Orange County
AQI 28
Placer County
AQI 39
Plumas County
AQI 2
Riverside County
AQI 49
Sacramento County
AQI 42
San Benito County
AQI 35
San Bernardino County
AQI 42
San Diego County
AQI 32
San Francisco County
AQI 20
San Joaquin County
AQI 31
San Luis Obispo County
AQI 29
San Mateo County
AQI 18
Santa Barbara County
AQI 22
Santa Clara County
AQI 22
Santa Cruz County
AQI 22
Shasta County
AQI 41
Sierra County
AQI 2
Siskiyou County
AQI 39
Solano County
AQI 25
Sonoma County
AQI 19
Stanislaus County
AQI 44
Sutter County
AQI 41
Tehama County
AQI 46
Trinity County
AQI 9
Tulare County
AQI 71
Tuolumne County
AQI 42
Ventura County
AQI 27
Yolo County
AQI 34
Yuba County
AQI 39
Data Sources
http://www.airnow.gov/

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