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

Contra Costa County

California

2026-08-30 19:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
69.3
PM10
μg/m³
22
PM2.5
μg/m³
12
NO2
μg/m³
3.7
CO
μg/m³
333.3
SO2
μg/m³
0.8
Weather
  • ℃
  • ℉
24℃
43%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Alamo
AQI 20
Antioch
AQI 20
Bay Point
AQI 20
Bayview-Montalvin
AQI 25
Bethel Island
AQI 30
Blackhawk
AQI 20
Brentwood
AQI 14
Canyon
AQI 17
Clayton
AQI 20
Clyde
AQI 20
Concord
AQI 28
Contra Costa Centre
AQI 20
Crockett
AQI 19
Danville
AQI 20
Diablo
AQI 20
Discovery Bay
AQI 22
East Richmond Heights
AQI 25
El Cerrito
AQI 17
El Sobrante
AQI 25
Hercules
AQI 25
Kensington
AQI 17
Lafayette
AQI 20
Martinez
AQI 19
Moraga
AQI 17
Oakley
AQI 34
Orinda
AQI 17
Pacheco
AQI 20
Pinole
AQI 25
Pittsburg
AQI 20
Pleasant Hill
AQI 20
Richmond
AQI 25
Rodeo
AQI 19
San Pablo
AQI 25
San Ramon
AQI 17
Vine Hill
AQI 20
Walnut Creek
AQI 20
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 20
Diablo
AQI 20
Danville
AQI 20
Clayton
AQI 20
San Ramon
AQI 17
Alamo
AQI 20
Dublin
AQI 14
Walnut Creek
AQI 20
Contra Costa Centre
AQI 20
Pleasant Hill
AQI 20
Concord
AQI 28