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California

United States

2026-01-02 04:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
45.7
PM2.5
μg/m³
7.4
PM10
μg/m³
8.3
NO2
μg/m³
12.7
CO
μg/m³
428.1
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
11℃
99%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alameda County
AQI 24
Alpine County
AQI 9
Amador County
AQI 25
Butte County
AQI 14
Calaveras County
AQI 19
Colusa County
AQI 13
Contra Costa County
AQI 18
Del Norte County
AQI 4
El Dorado County
AQI 27
Fresno County
AQI 23
Glenn County
AQI 10
Humboldt County
AQI 13
Imperial County
AQI 18
Inyo County
AQI 26
Kern County
AQI 19
Kings County
AQI 21
Lake County
AQI 9
Lassen County
AQI 28
Los Angeles County
AQI 22
Madera County
AQI 21
Marin County
AQI 24
Mariposa County
AQI 38
Mendocino County
AQI 8
Merced County
AQI 21
Modoc County
AQI 2
Mono County
AQI 4
Monterey County
AQI 26
Napa County
AQI 5
Nevada County
AQI 18
Orange County
AQI 18
Placer County
AQI 24
Plumas County
AQI 76
Riverside County
AQI 15
Sacramento County
AQI 20
San Benito County
AQI 34
San Bernardino County
AQI 26
San Diego County
AQI 23
San Francisco County
AQI 23
San Joaquin County
AQI 15
San Luis Obispo County
AQI 24
San Mateo County
AQI 25
Santa Barbara County
AQI 18
Santa Clara County
AQI 22
Santa Cruz County
AQI 32
Shasta County
AQI 20
Sierra County
AQI 76
Siskiyou County
AQI 20
Solano County
AQI 22
Sonoma County
AQI 25
Stanislaus County
AQI 14
Sutter County
AQI 14
Tehama County
AQI 15
Trinity County
AQI 27
Tulare County
AQI 20
Tuolumne County
AQI 10
Ventura County
AQI 12
Yolo County
AQI 19
Yuba County
AQI 17
Data Sources
http://www.airnow.gov/

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