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California

United States

2026-08-18 15:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
32.1
O3
μg/m³
49.4
PM2.5
μg/m³
7.6
NO2
μg/m³
14.8
CO
μg/m³
391.7
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
27℃
46%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 67
Alpine County
AQI 10
Amador County
AQI 22
Butte County
AQI 43
Calaveras County
AQI 22
Colusa County
AQI 52
Contra Costa County
AQI 24
Del Norte County
AQI 4
El Dorado County
AQI 18
Fresno County
AQI 41
Glenn County
AQI 32
Humboldt County
AQI 8
Imperial County
AQI 52
Inyo County
AQI 30
Kern County
AQI 72
Kings County
AQI 34
Lake County
AQI 18
Lassen County
AQI 11
Los Angeles County
AQI 34
Madera County
AQI 47
Marin County
AQI 15
Mariposa County
AQI 33
Mendocino County
AQI 18
Merced County
AQI 35
Modoc County
AQI 13
Mono County
AQI 14
Monterey County
AQI 17
Napa County
AQI 9
Nevada County
AQI 12
Orange County
AQI 38
Placer County
AQI 23
Plumas County
AQI 6
Riverside County
AQI 50
Sacramento County
AQI 18
San Benito County
AQI 10
San Bernardino County
AQI 68
San Diego County
AQI 29
San Francisco County
AQI 20
San Joaquin County
AQI 38
San Luis Obispo County
AQI 25
San Mateo County
AQI 16
Santa Barbara County
AQI 22
Santa Clara County
AQI 16
Santa Cruz County
AQI 17
Shasta County
AQI 33
Sierra County
AQI 6
Siskiyou County
AQI 24
Solano County
AQI 29
Sonoma County
AQI 17
Stanislaus County
AQI 30
Sutter County
AQI 30
Tehama County
AQI 41
Trinity County
AQI 10
Tulare County
AQI 49
Tuolumne County
AQI 22
Ventura County
AQI 51
Yolo County
AQI 17
Yuba County
AQI 25
Data Sources
http://www.airnow.gov/

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