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California

United States

2026-08-19 05:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
32.6
O3
μg/m³
75.4
PM2.5
μg/m³
8.1
NO2
μg/m³
12.1
CO
μg/m³
379.6
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
27℃
33%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 26
Alpine County
AQI 14
Amador County
AQI 36
Butte County
AQI 31
Calaveras County
AQI 42
Colusa County
AQI 39
Contra Costa County
AQI 26
Del Norte County
AQI 12
El Dorado County
AQI 32
Fresno County
AQI 66
Glenn County
AQI 24
Humboldt County
AQI 23
Imperial County
AQI 56
Inyo County
AQI 32
Kern County
AQI 67
Kings County
AQI 78
Lake County
AQI 31
Lassen County
AQI 9
Los Angeles County
AQI 32
Madera County
AQI 55
Marin County
AQI 17
Mariposa County
AQI 53
Mendocino County
AQI 24
Merced County
AQI 50
Modoc County
AQI 12
Mono County
AQI 11
Monterey County
AQI 24
Napa County
AQI 13
Nevada County
AQI 12
Orange County
AQI 30
Placer County
AQI 35
Plumas County
AQI 3
Riverside County
AQI 40
Sacramento County
AQI 29
San Benito County
AQI 35
San Bernardino County
AQI 46
San Diego County
AQI 26
San Francisco County
AQI 24
San Joaquin County
AQI 28
San Luis Obispo County
AQI 30
San Mateo County
AQI 21
Santa Barbara County
AQI 21
Santa Clara County
AQI 23
Santa Cruz County
AQI 24
Shasta County
AQI 37
Sierra County
AQI 3
Siskiyou County
AQI 39
Solano County
AQI 23
Sonoma County
AQI 19
Stanislaus County
AQI 41
Sutter County
AQI 38
Tehama County
AQI 39
Trinity County
AQI 37
Tulare County
AQI 79
Tuolumne County
AQI 40
Ventura County
AQI 24
Yolo County
AQI 26
Yuba County
AQI 25
Data Sources
http://www.airnow.gov/

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