1. North America
  2. United States
  3. California
  4. Contra Costa County

Contra Costa County

California

2026-03-11 13:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
32.1
PM10
μg/m³
11
PM2.5
μg/m³
6.6
NO2
μg/m³
12.5
CO
μg/m³
333.3
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
5℃
76%
1 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alamo
AQI 9
Antioch
AQI 9
Bay Point
AQI 9
Bayview-Montalvin
AQI 7
Bethel Island
AQI 30
Blackhawk
AQI 12
Brentwood
AQI 10
Canyon
AQI 49
Clayton
AQI 9
Clyde
AQI 9
Concord
AQI 9
Contra Costa Centre
AQI 9
Crockett
AQI 5
Danville
AQI 9
Diablo
AQI 9
Discovery Bay
AQI 11
East Richmond Heights
AQI 7
El Cerrito
AQI 17
El Sobrante
AQI 7
Hercules
AQI 7
Kensington
AQI 17
Lafayette
AQI 9
Martinez
AQI 5
Moraga
AQI 10
Oakley
AQI 30
Orinda
AQI 17
Pacheco
AQI 9
Pinole
AQI 7
Pittsburg
AQI 9
Pleasant Hill
AQI 9
Richmond
AQI 7
Rodeo
AQI 5
San Pablo
AQI 13
San Ramon
AQI 12
Vine Hill
AQI 5
Walnut Creek
AQI 9
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Blackhawk
AQI 12
Diablo
AQI 9
Danville
AQI 9
Clayton
AQI 9
San Ramon
AQI 12
Alamo
AQI 9
Dublin
AQI 12
Walnut Creek
AQI 9
Contra Costa Centre
AQI 9
Pleasant Hill
AQI 9
Concord
AQI 9