1. North America
  2. United States
  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2025-12-15 18:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
13.8
NO2
μg/m³
17
PM2.5
μg/m³
1.3
SO2
μg/m³
5.4
Weather
  • ℃
  • ℉
6℃
30%
8 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • NO2
  • PM2.5
  • SO2
Places included
Airport Township
AQI 20
Bonhomme Township
AQI 2
Chesterfield Township
AQI 2
Clayton Township
AQI 17
Concord Township
AQI 2
Creve Coeur Township
AQI 20
Ferguson Township
AQI 20
Gravois Township
AQI 8
Hadley Township
AQI 20
Jefferson Township
AQI 16
Lemay Township
AQI 2
Lewis and Clark Township
AQI 20
Maryland Heights Township
AQI 20
Meramec Township
AQI 2
Midland Township
AQI 20
Missouri River Township
AQI 8
Normandy Township
AQI 20
Northwest Township
AQI 20
Norwood Township
AQI 27
Oakville Township
AQI 2
Queeny Township
AQI 2
Spanish Lake Township
AQI 33
St. Ferdinand Township
AQI 33
Tesson Ferry Township
AQI 2
University Township
AQI 20
Wildhorse Township
AQI 2
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

Huntleigh
AQI 2
Des Peres
AQI 2
Crystal Lake Park
AQI 2
Warson Woods
AQI 20
Rock Hill
AQI 20
Kirkwood
AQI 2
Frontenac
AQI 20
Glendale
AQI 2
Country Life Acres
AQI 2
Oakland
AQI 2
Westwood
AQI 20