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

Contra Costa County

California

2025-12-13 03:00
AQI (India)
Good
Pollutants|Pollens
CO
μg/m³
541.7
NO2
μg/m³
21.4
PM10
μg/m³
14
PM2.5
μg/m³
7.2
O3
μg/m³
7.1
SO2
μg/m³
0.8
Weather
  • ℃
  • ℉
4℃
48%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • CO
  • NO2
  • PM10
  • PM2.5
  • O3
  • SO2
Places included
Alamo
AQI 10
Antioch
AQI 10
Bay Point
AQI 10
Bayview-Montalvin
AQI 19
Bethel Island
AQI 29
Blackhawk
AQI 2
Brentwood
AQI 9
Canyon
AQI 30
Clayton
AQI 10
Clyde
AQI 10
Concord
AQI 32
Contra Costa Centre
AQI 10
Crockett
AQI 5
Danville
AQI 10
Diablo
AQI 10
Discovery Bay
AQI 17
East Richmond Heights
AQI 19
El Cerrito
AQI 19
El Sobrante
AQI 19
Hercules
AQI 19
Kensington
AQI 19
Lafayette
AQI 10
Martinez
AQI 5
Moraga
AQI 9
Oakley
AQI 27
Orinda
AQI 19
Pacheco
AQI 10
Pinole
AQI 19
Pittsburg
AQI 10
Pleasant Hill
AQI 10
Richmond
AQI 19
Rodeo
AQI 5
San Pablo
AQI 29
San Ramon
AQI 2
Vine Hill
AQI 5
Walnut Creek
AQI 10
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 2
Diablo
AQI 10
Danville
AQI 10
Clayton
AQI 10
San Ramon
AQI 2
Alamo
AQI 10
Dublin
AQI 2
Walnut Creek
AQI 10
Contra Costa Centre
AQI 10
Pleasant Hill
AQI 10
Concord
AQI 32