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California

United States

2026-01-02 07:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
45.9
PM2.5
μg/m³
7.7
PM10
μg/m³
7.4
NO2
μg/m³
10.1
CO
μg/m³
418.9
SO2
μg/m³
0.8
Weather
  • ℃
  • ℉
10℃
97%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 25
Alpine County
AQI 5
Amador County
AQI 29
Butte County
AQI 14
Calaveras County
AQI 29
Colusa County
AQI 17
Contra Costa County
AQI 25
Del Norte County
AQI 10
El Dorado County
AQI 27
Fresno County
AQI 17
Glenn County
AQI 9
Humboldt County
AQI 13
Imperial County
AQI 14
Inyo County
AQI 29
Kern County
AQI 20
Kings County
AQI 21
Lake County
AQI 6
Lassen County
AQI 36
Los Angeles County
AQI 19
Madera County
AQI 15
Marin County
AQI 26
Mariposa County
AQI 37
Mendocino County
AQI 8
Merced County
AQI 21
Modoc County
AQI 2
Mono County
AQI 2
Monterey County
AQI 22
Napa County
AQI 18
Nevada County
AQI 11
Orange County
AQI 26
Placer County
AQI 25
Plumas County
AQI 82
Riverside County
AQI 12
Sacramento County
AQI 22
San Benito County
AQI 32
San Bernardino County
AQI 23
San Diego County
AQI 19
San Francisco County
AQI 21
San Joaquin County
AQI 21
San Luis Obispo County
AQI 20
San Mateo County
AQI 23
Santa Barbara County
AQI 15
Santa Clara County
AQI 21
Santa Cruz County
AQI 30
Shasta County
AQI 19
Sierra County
AQI 82
Siskiyou County
AQI 16
Solano County
AQI 20
Sonoma County
AQI 26
Stanislaus County
AQI 20
Sutter County
AQI 18
Tehama County
AQI 12
Trinity County
AQI 50
Tulare County
AQI 20
Tuolumne County
AQI 10
Ventura County
AQI 15
Yolo County
AQI 17
Yuba County
AQI 9
Data Sources
http://www.airnow.gov/

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