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  4. Contra Costa County

Contra Costa County

California

2025-12-15 22:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.6
PM10
μg/m³
17
O3
μg/m³
17.1
NO2
μg/m³
11.4
CO
μg/m³
541.7
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
10℃
71%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
Alamo
AQI 45
Antioch
AQI 45
Bay Point
AQI 45
Bayview-Montalvin
AQI 50
Bethel Island
AQI 52
Blackhawk
AQI 50
Brentwood
AQI 17
Canyon
AQI 60
Clayton
AQI 45
Clyde
AQI 45
Concord
AQI 45
Contra Costa Centre
AQI 45
Crockett
AQI 34
Danville
AQI 45
Diablo
AQI 45
Discovery Bay
AQI 50
East Richmond Heights
AQI 50
El Cerrito
AQI 56
El Sobrante
AQI 50
Hercules
AQI 50
Kensington
AQI 56
Lafayette
AQI 45
Martinez
AQI 34
Moraga
AQI 60
Oakley
AQI 45
Orinda
AQI 56
Pacheco
AQI 45
Pinole
AQI 50
Pittsburg
AQI 45
Pleasant Hill
AQI 45
Richmond
AQI 50
Rodeo
AQI 34
San Pablo
AQI 50
San Ramon
AQI 50
Vine Hill
AQI 34
Walnut Creek
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 50
Diablo
AQI 45
Danville
AQI 45
Clayton
AQI 45
San Ramon
AQI 50
Alamo
AQI 45
Dublin
AQI 50
Walnut Creek
AQI 45
Contra Costa Centre
AQI 45
Pleasant Hill
AQI 45
Concord
AQI 45