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California

United States

2026-08-19 17:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
39.6
O3
μg/m³
68.6
PM2.5
μg/m³
9.7
NO2
μg/m³
15.5
CO
μg/m³
411.5
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
35℃
29%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 54
Alpine County
AQI 19
Amador County
AQI 22
Butte County
AQI 43
Calaveras County
AQI 36
Colusa County
AQI 41
Contra Costa County
AQI 27
Del Norte County
AQI 10
El Dorado County
AQI 35
Fresno County
AQI 81
Glenn County
AQI 27
Humboldt County
AQI 24
Imperial County
AQI 49
Inyo County
AQI 33
Kern County
AQI 73
Kings County
AQI 58
Lake County
AQI 22
Lassen County
AQI 8
Los Angeles County
AQI 43
Madera County
AQI 74
Marin County
AQI 17
Mariposa County
AQI 46
Mendocino County
AQI 17
Merced County
AQI 78
Modoc County
AQI 12
Mono County
AQI 11
Monterey County
AQI 36
Napa County
AQI 8
Nevada County
AQI 16
Orange County
AQI 47
Placer County
AQI 32
Plumas County
AQI 2
Riverside County
AQI 43
Sacramento County
AQI 27
San Benito County
AQI 26
San Bernardino County
AQI 54
San Diego County
AQI 31
San Francisco County
AQI 20
San Joaquin County
AQI 43
San Luis Obispo County
AQI 35
San Mateo County
AQI 19
Santa Barbara County
AQI 20
Santa Clara County
AQI 28
Santa Cruz County
AQI 18
Shasta County
AQI 41
Sierra County
AQI 2
Siskiyou County
AQI 34
Solano County
AQI 27
Sonoma County
AQI 20
Stanislaus County
AQI 60
Sutter County
AQI 47
Tehama County
AQI 40
Trinity County
AQI 34
Tulare County
AQI 60
Tuolumne County
AQI 42
Ventura County
AQI 43
Yolo County
AQI 27
Yuba County
AQI 47
Data Sources
http://www.airnow.gov/

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