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  2. United States
  3. California
  4. Contra Costa County

Contra Costa County

California

2026-01-22 08:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
13
PM10
μg/m³
40
NO2
μg/m³
19.9
CO
μg/m³
541.7
O3
μg/m³
2.9
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
6℃
87%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • CO
  • O3
  • SO2
Places included
Alamo
AQI 58
Antioch
AQI 58
Bay Point
AQI 58
Bayview-Montalvin
AQI 54
Bethel Island
AQI 73
Blackhawk
AQI 60
Brentwood
AQI 50
Canyon
AQI 68
Clayton
AQI 58
Clyde
AQI 58
Concord
AQI 58
Contra Costa Centre
AQI 58
Crockett
AQI 50
Danville
AQI 58
Diablo
AQI 58
Discovery Bay
AQI 85
East Richmond Heights
AQI 54
El Cerrito
AQI 54
El Sobrante
AQI 54
Hercules
AQI 54
Kensington
AQI 54
Lafayette
AQI 58
Martinez
AQI 50
Moraga
AQI 52
Oakley
AQI 73
Orinda
AQI 54
Pacheco
AQI 58
Pinole
AQI 54
Pittsburg
AQI 58
Pleasant Hill
AQI 58
Richmond
AQI 54
Rodeo
AQI 60
San Pablo
AQI 54
San Ramon
AQI 60
Vine Hill
AQI 50
Walnut Creek
AQI 58
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 60
Diablo
AQI 58
Danville
AQI 58
Clayton
AQI 58
San Ramon
AQI 60
Alamo
AQI 58
Dublin
AQI 60
Walnut Creek
AQI 58
Contra Costa Centre
AQI 58
Pleasant Hill
AQI 58
Concord
AQI 58