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California

United States

2026-03-06 00:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
86.9
PM10
μg/m³
24.1
PM2.5
μg/m³
3.5
NO2
μg/m³
5
CO
μg/m³
283.4
SO2
μg/m³
0.8
Weather
  • ℃
  • ℉
15℃
58%
6 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 32
Alpine County
AQI 19
Amador County
AQI 35
Butte County
AQI 35
Calaveras County
AQI 30
Colusa County
AQI 37
Contra Costa County
AQI 34
Del Norte County
AQI 7
El Dorado County
AQI 34
Fresno County
AQI 35
Glenn County
AQI 37
Humboldt County
AQI 24
Imperial County
AQI 79
Inyo County
AQI 38
Kern County
AQI 38
Kings County
AQI 34
Lake County
AQI 4
Lassen County
AQI 7
Los Angeles County
AQI 43
Madera County
AQI 38
Marin County
AQI 29
Mariposa County
AQI 35
Mendocino County
AQI 30
Merced County
AQI 37
Modoc County
AQI 2
Mono County
AQI 1
Monterey County
AQI 35
Napa County
AQI 4
Nevada County
AQI 11
Orange County
AQI 60
Placer County
AQI 36
Plumas County
AQI 4
Riverside County
AQI 94
Sacramento County
AQI 37
San Benito County
AQI 41
San Bernardino County
AQI 43
San Diego County
AQI 49
San Francisco County
AQI 28
San Joaquin County
AQI 34
San Luis Obispo County
AQI 65
San Mateo County
AQI 30
Santa Barbara County
AQI 31
Santa Clara County
AQI 37
Santa Cruz County
AQI 39
Shasta County
AQI 39
Sierra County
AQI 1
Siskiyou County
AQI 34
Solano County
AQI 37
Sonoma County
AQI 34
Stanislaus County
AQI 38
Sutter County
AQI 35
Tehama County
AQI 39
Trinity County
AQI 15
Tulare County
AQI 33
Tuolumne County
AQI 35
Ventura County
AQI 39
Yolo County
AQI 39
Yuba County
AQI 10
Data Sources
http://www.airnow.gov/

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