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

Contra Costa County

California

2026-05-10 00:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
86.8
PM10
μg/m³
21
PM2.5
μg/m³
7
CO
μg/m³
375
NO2
μg/m³
3.3
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
21℃
51%
20 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Alamo
AQI 14
Antioch
AQI 14
Bay Point
AQI 14
Bayview-Montalvin
AQI 9
Bethel Island
AQI 38
Blackhawk
AQI 14
Brentwood
AQI 17
Canyon
AQI 12
Clayton
AQI 14
Clyde
AQI 14
Concord
AQI 34
Contra Costa Centre
AQI 14
Crockett
AQI 9
Danville
AQI 14
Diablo
AQI 14
Discovery Bay
AQI 21
East Richmond Heights
AQI 14
El Cerrito
AQI 14
El Sobrante
AQI 9
Hercules
AQI 9
Kensington
AQI 14
Lafayette
AQI 14
Martinez
AQI 9
Moraga
AQI 12
Oakley
AQI 39
Orinda
AQI 14
Pacheco
AQI 14
Pinole
AQI 9
Pittsburg
AQI 14
Pleasant Hill
AQI 14
Richmond
AQI 14
Rodeo
AQI 9
San Pablo
AQI 10
San Ramon
AQI 14
Vine Hill
AQI 9
Walnut Creek
AQI 14
Data Sources
http://www.airnow.gov/

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Cities Nearby

Blackhawk
AQI 14
Diablo
AQI 14
Danville
AQI 14
Clayton
AQI 14
San Ramon
AQI 14
Alamo
AQI 14
Dublin
AQI 14
Walnut Creek
AQI 14
Contra Costa Centre
AQI 14
Pleasant Hill
AQI 14
Concord
AQI 34