Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
California
Contra Costa County
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Contra Costa County
California
2024-11-25 06:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
8.4
PM10
μg/m³
22
NO2
μg/m³
24.1
O3
μg/m³
27.9
CO
μg/m³
725
SO2
μg/m³
1.4
Pollen
1.9
Weather
℃
℃
℉
7℃
82%
14 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
PM2.5
PM10
NO2
O3
CO
SO2
Places included
Alamo
AQI 17
Antioch
AQI 17
Bay Point
AQI 17
Bayview-Montalvin
AQI 57
Bethel Island
AQI 46
Blackhawk
AQI 9
Brentwood
AQI 25
Canyon
AQI 23
Clayton
AQI 17
Clyde
AQI 17
Concord
AQI 17
Contra Costa Centre
AQI 17
Crockett
AQI 59
Danville
AQI 17
Diablo
AQI 17
Discovery Bay
AQI 57
East Richmond Heights
AQI 57
El Cerrito
AQI 34
El Sobrante
AQI 57
Hercules
AQI 57
Kensington
AQI 34
Lafayette
AQI 17
Martinez
AQI 59
Moraga
AQI 23
Oakley
AQI 12
Orinda
AQI 34
Pacheco
AQI 17
Pinole
AQI 57
Pittsburg
AQI 17
Pleasant Hill
AQI 17
Richmond
AQI 57
Rodeo
AQI 46
San Pablo
AQI 57
San Ramon
AQI 9
Vine Hill
AQI 59
Walnut Creek
AQI 17
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Blackhawk
AQI 9
Diablo
AQI 17
Danville
AQI 17
Clayton
AQI 17
San Ramon
AQI 9
Alamo
AQI 17
Dublin
AQI 15
Walnut Creek
AQI 17
Contra Costa Centre
AQI 17
Pleasant Hill
AQI 17
Concord
AQI 17
Air Matters © 2024