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  3. California
  4. Contra Costa County

Contra Costa County

California

2025-12-18 03:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.8
PM10
μg/m³
14
NO2
μg/m³
27.4
CO
μg/m³
583.3
O3
μg/m³
10
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
9℃
90%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • CO
  • O3
  • SO2
Places included
Alamo
AQI 23
Antioch
AQI 23
Bay Point
AQI 23
Bayview-Montalvin
AQI 23
Bethel Island
AQI 73
Blackhawk
AQI 17
Brentwood
AQI 23
Canyon
AQI 34
Clayton
AQI 23
Clyde
AQI 23
Concord
AQI 23
Contra Costa Centre
AQI 23
Crockett
AQI 6
Danville
AQI 23
Diablo
AQI 23
Discovery Bay
AQI 45
East Richmond Heights
AQI 23
El Cerrito
AQI 17
El Sobrante
AQI 23
Hercules
AQI 23
Kensington
AQI 17
Lafayette
AQI 23
Martinez
AQI 6
Moraga
AQI 34
Oakley
AQI 73
Orinda
AQI 17
Pacheco
AQI 23
Pinole
AQI 23
Pittsburg
AQI 23
Pleasant Hill
AQI 23
Richmond
AQI 23
Rodeo
AQI 34
San Pablo
AQI 23
San Ramon
AQI 17
Vine Hill
AQI 6
Walnut Creek
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 17
Diablo
AQI 23
Danville
AQI 23
Clayton
AQI 23
San Ramon
AQI 17
Alamo
AQI 23
Dublin
AQI 17
Walnut Creek
AQI 23
Contra Costa Centre
AQI 23
Pleasant Hill
AQI 23
Concord
AQI 23