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California

United States

2025-12-14 18:00
CAQI (Europe)
Very Low
Pollutants|Pollens
PM2.5
μg/m³
9.9
O3
μg/m³
26.4
PM10
μg/m³
9.7
NO2
μg/m³
16
CO
μg/m³
549.1
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
23℃
43%
6 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 17
Alpine County
AQI 14
Amador County
AQI 10
Butte County
AQI 15
Calaveras County
AQI 10
Colusa County
AQI 7
Contra Costa County
AQI 12
Del Norte County
AQI 3
El Dorado County
AQI 19
Fresno County
AQI 12
Glenn County
AQI 4
Humboldt County
AQI 10
Imperial County
AQI 23
Inyo County
AQI 25
Kern County
AQI 9
Kings County
AQI 8
Lake County
AQI 18
Lassen County
AQI 32
Los Angeles County
AQI 48
Madera County
AQI 14
Marin County
AQI 10
Mariposa County
AQI 36
Mendocino County
AQI 19
Merced County
AQI 15
Modoc County
AQI 2
Mono County
AQI 6
Monterey County
AQI 16
Napa County
AQI 9
Nevada County
AQI 13
Orange County
AQI 47
Placer County
AQI 13
Plumas County
AQI 21
Riverside County
AQI 71
Sacramento County
AQI 13
San Benito County
AQI 13
San Bernardino County
AQI 42
San Diego County
AQI 27
San Francisco County
AQI 22
San Joaquin County
AQI 18
San Luis Obispo County
AQI 19
San Mateo County
AQI 22
Santa Barbara County
AQI 15
Santa Clara County
AQI 25
Santa Cruz County
AQI 12
Shasta County
AQI 25
Sierra County
AQI 15
Siskiyou County
AQI 43
Solano County
AQI 6
Sonoma County
AQI 18
Stanislaus County
AQI 29
Sutter County
AQI 7
Tehama County
AQI 25
Trinity County
AQI 22
Tulare County
AQI 10
Tuolumne County
AQI 17
Ventura County
AQI 21
Yolo County
AQI 10
Yuba County
AQI 8
Data Sources
http://www.airnow.gov/

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