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

Contra Costa County

California

2026-03-12 18:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.3
O3
μg/m³
59.3
PM10
μg/m³
21
NO2
μg/m³
6
CO
μg/m³
291.7
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
19℃
46%
5 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Alamo
AQI 23
Antioch
AQI 23
Bay Point
AQI 23
Bayview-Montalvin
AQI 12
Bethel Island
AQI 73
Blackhawk
AQI 50
Brentwood
AQI 45
Canyon
AQI 66
Clayton
AQI 23
Clyde
AQI 23
Concord
AQI 26
Contra Costa Centre
AQI 23
Crockett
AQI 12
Danville
AQI 23
Diablo
AQI 23
Discovery Bay
AQI 45
East Richmond Heights
AQI 12
El Cerrito
AQI 60
El Sobrante
AQI 12
Hercules
AQI 12
Kensington
AQI 60
Lafayette
AQI 23
Martinez
AQI 12
Moraga
AQI 45
Oakley
AQI 73
Orinda
AQI 60
Pacheco
AQI 23
Pinole
AQI 12
Pittsburg
AQI 23
Pleasant Hill
AQI 23
Richmond
AQI 12
Rodeo
AQI 12
San Pablo
AQI 39
San Ramon
AQI 50
Vine Hill
AQI 23
Walnut Creek
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 50
Diablo
AQI 23
Danville
AQI 23
Clayton
AQI 23
San Ramon
AQI 50
Alamo
AQI 23
Dublin
AQI 50
Walnut Creek
AQI 23
Contra Costa Centre
AQI 23
Pleasant Hill
AQI 23
Concord
AQI 26