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
Missouri
St. Louis County
St. Ferdinand Township
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
St. Ferdinand Township
St. Louis County
2025-03-18 16:00
AQI (US)
Moderate
Pollutants
|
Pollens
PM2.5
μg/m³
9.7
PM10
μg/m³
41
Pollen
8.9
Weather
℃
℃
℉
25℃
36%
6 kph
5 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
PM2.5
PM10
Places included
Bellefontaine Neighbors
AQI 52
Castle Point
AQI 52
Glasgow Village
AQI 52
Riverview
AQI 52
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
Spanish Lake
AQI 52
Glasgow Village
AQI 52
Riverview
AQI 52
Bellefontaine Neighbors
AQI 52
Castle Point
AQI 52
Moline Acres
AQI 52
Black Jack
AQI 52
Hartford
AQI 94
West Alton
AQI 49
Granite City
AQI 94
Dellwood
AQI 38
Air Matters © 2025