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California

United States

2026-01-02 05:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
46.2
PM2.5
μg/m³
7.9
PM10
μg/m³
7.8
NO2
μg/m³
11.4
CO
μg/m³
435.5
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
10℃
99%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 24
Alpine County
AQI 10
Amador County
AQI 28
Butte County
AQI 14
Calaveras County
AQI 28
Colusa County
AQI 17
Contra Costa County
AQI 24
Del Norte County
AQI 9
El Dorado County
AQI 27
Fresno County
AQI 20
Glenn County
AQI 14
Humboldt County
AQI 13
Imperial County
AQI 13
Inyo County
AQI 26
Kern County
AQI 20
Kings County
AQI 25
Lake County
AQI 6
Lassen County
AQI 30
Los Angeles County
AQI 20
Madera County
AQI 15
Marin County
AQI 26
Mariposa County
AQI 35
Mendocino County
AQI 6
Merced County
AQI 21
Modoc County
AQI 2
Mono County
AQI 4
Monterey County
AQI 23
Napa County
AQI 3
Nevada County
AQI 15
Orange County
AQI 27
Placer County
AQI 25
Plumas County
AQI 82
Riverside County
AQI 12
Sacramento County
AQI 21
San Benito County
AQI 33
San Bernardino County
AQI 27
San Diego County
AQI 20
San Francisco County
AQI 22
San Joaquin County
AQI 17
San Luis Obispo County
AQI 22
San Mateo County
AQI 25
Santa Barbara County
AQI 18
Santa Clara County
AQI 25
Santa Cruz County
AQI 30
Shasta County
AQI 20
Sierra County
AQI 82
Siskiyou County
AQI 22
Solano County
AQI 21
Sonoma County
AQI 28
Stanislaus County
AQI 18
Sutter County
AQI 12
Tehama County
AQI 13
Trinity County
AQI 37
Tulare County
AQI 23
Tuolumne County
AQI 9
Ventura County
AQI 11
Yolo County
AQI 17
Yuba County
AQI 12
Data Sources
http://www.airnow.gov/

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