1. North America
  2. United States
  3. California

California

United States

2026-10-18 11:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
27.7
O3
μg/m³
48.4
NO2
μg/m³
20.7
PM2.5
μg/m³
6.7
CO
μg/m³
485.7
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
16℃
40%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Alameda County
AQI 15
Alpine County
AQI 2
Amador County
AQI 13
Butte County
AQI 24
Calaveras County
AQI 23
Colusa County
AQI 71
Contra Costa County
AQI 43
Del Norte County
AQI 8
El Dorado County
AQI 20
Fresno County
AQI 57
Glenn County
AQI 11
Humboldt County
AQI 22
Imperial County
AQI 44
Inyo County
AQI 20
Kern County
AQI 20
Kings County
AQI 82
Lake County
AQI 20
Lassen County
AQI 14
Los Angeles County
AQI 37
Madera County
AQI 30
Marin County
AQI 14
Mariposa County
AQI 30
Mendocino County
AQI 20
Merced County
AQI 48
Modoc County
AQI 6
Mono County
AQI 4
Monterey County
AQI 28
Napa County
AQI 10
Nevada County
AQI 11
Orange County
AQI 36
Placer County
AQI 23
Plumas County
AQI 8
Riverside County
AQI 51
Sacramento County
AQI 22
San Benito County
AQI 19
San Bernardino County
AQI 30
San Diego County
AQI 31
San Francisco County
AQI 18
San Joaquin County
AQI 36
San Luis Obispo County
AQI 33
San Mateo County
AQI 28
Santa Barbara County
AQI 43
Santa Clara County
AQI 27
Santa Cruz County
AQI 21
Shasta County
AQI 20
Sierra County
AQI 1
Siskiyou County
AQI 18
Solano County
AQI 22
Sonoma County
AQI 8
Stanislaus County
AQI 41
Sutter County
AQI 23
Tehama County
AQI 27
Trinity County
AQI 6
Tulare County
AQI 37
Tuolumne County
AQI 22
Ventura County
AQI 28
Yolo County
AQI 19
Yuba County
AQI 18
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Sanger
AQI 46
Orange Cove
AQI 18
Reedley
AQI 46
Del Rey
AQI 46
Parlier
AQI 46
Clovis
AQI 30
Dinuba
AQI 32
Orosi
AQI 32
Fowler
AQI 46
Selma
AQI 46
Malaga
AQI 46