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California

United States

2026-10-16 06:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.1
PM10
μg/m³
44.2
O3
μg/m³
59.2
NO2
μg/m³
29.6
CO
μg/m³
583.3
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
20℃
47%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 57
Alpine County
AQI 12
Amador County
AQI 26
Butte County
AQI 28
Calaveras County
AQI 37
Colusa County
AQI 24
Contra Costa County
AQI 82
Del Norte County
AQI 54
El Dorado County
AQI 34
Fresno County
AQI 81
Glenn County
AQI 26
Humboldt County
AQI 50
Imperial County
AQI 25
Inyo County
AQI 32
Kern County
AQI 55
Kings County
AQI 82
Lake County
AQI 52
Lassen County
AQI 26
Los Angeles County
AQI 40
Madera County
AQI 86
Marin County
AQI 25
Mariposa County
AQI 140
Mendocino County
AQI 52
Merced County
AQI 71
Modoc County
AQI 15
Mono County
AQI 5
Monterey County
AQI 33
Napa County
AQI 45
Nevada County
AQI 31
Orange County
AQI 37
Placer County
AQI 38
Plumas County
AQI 30
Riverside County
AQI 35
Sacramento County
AQI 54
San Benito County
AQI 40
San Bernardino County
AQI 32
San Diego County
AQI 28
San Francisco County
AQI 54
San Joaquin County
AQI 64
San Luis Obispo County
AQI 46
San Mateo County
AQI 42
Santa Barbara County
AQI 27
Santa Clara County
AQI 54
Santa Cruz County
AQI 40
Shasta County
AQI 25
Sierra County
AQI 30
Siskiyou County
AQI 37
Solano County
AQI 56
Sonoma County
AQI 35
Stanislaus County
AQI 80
Sutter County
AQI 41
Tehama County
AQI 28
Trinity County
AQI 34
Tulare County
AQI 70
Tuolumne County
AQI 31
Ventura County
AQI 34
Yolo County
AQI 56
Yuba County
AQI 45
Data Sources
http://www.airnow.gov/

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