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  3. California
  4. Contra Costa County

Contra Costa County

California

2026-01-19 22:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
11.6
PM10
μg/m³
24
O3
μg/m³
27.1
NO2
μg/m³
14.1
CO
μg/m³
500
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
15℃
46%
29 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
Alamo
AQI 64
Antioch
AQI 64
Bay Point
AQI 64
Bayview-Montalvin
AQI 45
Bethel Island
AQI 77
Blackhawk
AQI 6
Brentwood
AQI 12
Canyon
AQI 71
Clayton
AQI 64
Clyde
AQI 64
Concord
AQI 64
Contra Costa Centre
AQI 64
Crockett
AQI 34
Danville
AQI 64
Diablo
AQI 64
Discovery Bay
AQI 52
East Richmond Heights
AQI 45
El Cerrito
AQI 45
El Sobrante
AQI 45
Hercules
AQI 45
Kensington
AQI 45
Lafayette
AQI 64
Martinez
AQI 34
Moraga
AQI 28
Oakley
AQI 77
Orinda
AQI 45
Pacheco
AQI 64
Pinole
AQI 45
Pittsburg
AQI 64
Pleasant Hill
AQI 64
Richmond
AQI 45
Rodeo
AQI 56
San Pablo
AQI 45
San Ramon
AQI 6
Vine Hill
AQI 34
Walnut Creek
AQI 64
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 6
Diablo
AQI 64
Danville
AQI 64
Clayton
AQI 64
San Ramon
AQI 6
Alamo
AQI 64
Dublin
AQI 6
Walnut Creek
AQI 64
Contra Costa Centre
AQI 64
Pleasant Hill
AQI 64
Concord
AQI 64