Toggle navigation
Places
AQI (India)
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
Missouri
St. Louis County
Clayton Township
AQI (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Clayton Township
St. Louis County
2025-01-10 16:00
AQI (India)
Good
Pollutants
|
Pollens
NO2
μg/m³
28.8
PM2.5
μg/m³
15.8
O3
μg/m³
25.7
CO
μg/m³
375
PM10
μg/m³
16.8
SO2
μg/m³
2.6
Pollen
0.4
Weather
℃
℃
℉
0℃
90%
9 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
Pollen
NO2
PM2.5
O3
CO
PM10
SO2
Places included
Brentwood
AQI 36
Clayton
AQI 36
Huntleigh
AQI 36
Ladue
AQI 27
Rock Hill
AQI 36
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
Brentwood
AQI 36
Ladue
AQI 27
Clayton
AQI 36
Richmond Heights
AQI 36
Rock Hill
AQI 36
Maplewood
AQI 36
Warson Woods
AQI 36
Olivette
AQI 36
Webster Groves
AQI 36
Glendale
AQI 36
University City
AQI 36
Air Matters © 2025