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  3. California
  4. Contra Costa County

Contra Costa County

California

2025-12-12 22:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6
PM10
μg/m³
12
O3
μg/m³
22.1
CO
μg/m³
500
NO2
μg/m³
9.4
SO2
μg/m³
1
Weather
  • ℃
  • ℉
13℃
34%
7 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • CO
  • NO2
  • SO2
Places included
Alamo
AQI 39
Antioch
AQI 39
Bay Point
AQI 39
Bayview-Montalvin
AQI 34
Bethel Island
AQI 52
Blackhawk
AQI 12
Brentwood
AQI 12
Canyon
AQI 64
Clayton
AQI 39
Clyde
AQI 39
Concord
AQI 34
Contra Costa Centre
AQI 39
Crockett
AQI 6
Danville
AQI 39
Diablo
AQI 39
Discovery Bay
AQI 34
East Richmond Heights
AQI 34
El Cerrito
AQI 28
El Sobrante
AQI 34
Hercules
AQI 34
Kensington
AQI 28
Lafayette
AQI 39
Martinez
AQI 6
Moraga
AQI 28
Oakley
AQI 52
Orinda
AQI 28
Pacheco
AQI 39
Pinole
AQI 34
Pittsburg
AQI 39
Pleasant Hill
AQI 39
Richmond
AQI 34
Rodeo
AQI 17
San Pablo
AQI 50
San Ramon
AQI 12
Vine Hill
AQI 6
Walnut Creek
AQI 39
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 12
Diablo
AQI 39
Danville
AQI 39
Clayton
AQI 39
San Ramon
AQI 12
Alamo
AQI 39
Dublin
AQI 12
Walnut Creek
AQI 39
Contra Costa Centre
AQI 39
Pleasant Hill
AQI 39
Concord
AQI 34