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California

United States

2026-06-29 16:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
5.8
PM10
μg/m³
27.1
O3
μg/m³
57.4
NO2
μg/m³
8.6
CO
μg/m³
252.6
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
28℃
32%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 54
Alpine County
AQI 20
Amador County
AQI 25
Butte County
AQI 26
Calaveras County
AQI 23
Colusa County
AQI 21
Contra Costa County
AQI 58
Del Norte County
AQI 39
El Dorado County
AQI 19
Fresno County
AQI 52
Glenn County
AQI 24
Humboldt County
AQI 31
Imperial County
AQI 42
Inyo County
AQI 35
Kern County
AQI 32
Kings County
AQI 43
Lake County
AQI 20
Lassen County
AQI 17
Los Angeles County
AQI 40
Madera County
AQI 88
Marin County
AQI 59
Mariposa County
AQI 36
Mendocino County
AQI 26
Merced County
AQI 51
Modoc County
AQI 8
Mono County
AQI 24
Monterey County
AQI 53
Napa County
AQI 51
Nevada County
AQI 30
Orange County
AQI 43
Placer County
AQI 28
Plumas County
AQI 3
Riverside County
AQI 47
Sacramento County
AQI 28
San Benito County
AQI 44
San Bernardino County
AQI 41
San Diego County
AQI 43
San Francisco County
AQI 54
San Joaquin County
AQI 49
San Luis Obispo County
AQI 35
San Mateo County
AQI 46
Santa Barbara County
AQI 46
Santa Clara County
AQI 51
Santa Cruz County
AQI 25
Shasta County
AQI 27
Sierra County
AQI 3
Siskiyou County
AQI 24
Solano County
AQI 39
Sonoma County
AQI 52
Stanislaus County
AQI 43
Sutter County
AQI 24
Tehama County
AQI 27
Trinity County
AQI 10
Tulare County
AQI 46
Tuolumne County
AQI 28
Ventura County
AQI 36
Yolo County
AQI 35
Yuba County
AQI 12
Data Sources
http://www.airnow.gov/

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