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California

United States

2026-01-16 13:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM2.5
μg/m³
10.6
PM10
μg/m³
15.7
NO2
μg/m³
27.8
O3
μg/m³
23
CO
μg/m³
643.4
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
5℃
100%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • O3
  • CO
  • SO2
Places included
Alameda County
AQI 21
Alpine County
AQI 10
Amador County
AQI 9
Butte County
AQI 20
Calaveras County
AQI 9
Colusa County
AQI 27
Contra Costa County
AQI 25
Del Norte County
AQI 11
El Dorado County
AQI 25
Fresno County
AQI 34
Glenn County
AQI 19
Humboldt County
AQI 8
Imperial County
AQI 31
Inyo County
AQI 27
Kern County
AQI 20
Kings County
AQI 32
Lake County
AQI 16
Lassen County
AQI 4
Los Angeles County
AQI 20
Madera County
AQI 36
Marin County
AQI 20
Mariposa County
AQI 42
Mendocino County
AQI 17
Merced County
AQI 31
Modoc County
AQI 2
Mono County
AQI 17
Monterey County
AQI 13
Napa County
AQI 26
Nevada County
AQI 6
Orange County
AQI 24
Placer County
AQI 15
Plumas County
AQI 12
Riverside County
AQI 26
Sacramento County
AQI 33
San Benito County
AQI 9
San Bernardino County
AQI 27
San Diego County
AQI 19
San Francisco County
AQI 30
San Joaquin County
AQI 31
San Luis Obispo County
AQI 13
San Mateo County
AQI 18
Santa Barbara County
AQI 13
Santa Clara County
AQI 19
Santa Cruz County
AQI 12
Shasta County
AQI 35
Sierra County
AQI 17
Siskiyou County
AQI 38
Solano County
AQI 30
Sonoma County
AQI 24
Stanislaus County
AQI 40
Sutter County
AQI 39
Tehama County
AQI 19
Trinity County
AQI 14
Tulare County
AQI 35
Tuolumne County
AQI 13
Ventura County
AQI 40
Yolo County
AQI 43
Yuba County
AQI 30
Data Sources
http://www.airnow.gov/

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