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  4. Contra Costa County

Contra Costa County

California

2025-12-15 00:00
AQI (China)
Excellent
Pollutants|Pollens
PM2.5
μg/m³
8.8
PM10
μg/m³
9
CO
μg/m³
666.7
NO2
μg/m³
13.1
O3
μg/m³
20.7
SO2
μg/m³
1
Weather
  • ℃
  • ℉
6℃
87%
0 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM2.5
  • PM10
  • CO
  • NO2
  • O3
  • SO2
Places included
Alamo
AQI 13
Antioch
AQI 13
Bay Point
AQI 13
Bayview-Montalvin
AQI 15
Bethel Island
AQI 12
Blackhawk
AQI 20
Brentwood
AQI 5
Canyon
AQI 18
Clayton
AQI 13
Clyde
AQI 13
Concord
AQI 13
Contra Costa Centre
AQI 13
Crockett
AQI 6
Danville
AQI 13
Diablo
AQI 13
Discovery Bay
AQI 18
East Richmond Heights
AQI 15
El Cerrito
AQI 10
El Sobrante
AQI 15
Hercules
AQI 15
Kensington
AQI 10
Lafayette
AQI 13
Martinez
AQI 6
Moraga
AQI 18
Oakley
AQI 13
Orinda
AQI 10
Pacheco
AQI 13
Pinole
AQI 15
Pittsburg
AQI 13
Pleasant Hill
AQI 13
Richmond
AQI 15
Rodeo
AQI 5
San Pablo
AQI 15
San Ramon
AQI 20
Vine Hill
AQI 6
Walnut Creek
AQI 13
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 20
Diablo
AQI 13
Danville
AQI 13
Clayton
AQI 13
San Ramon
AQI 20
Alamo
AQI 13
Dublin
AQI 20
Walnut Creek
AQI 13
Contra Costa Centre
AQI 13
Pleasant Hill
AQI 13
Concord
AQI 13