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

St. Louis County

Missouri

2025-03-20 05:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
47.1
PM2.5
μg/m³
2.5
PM10
μg/m³
5.8
NO2
μg/m³
4.7
SO2
μg/m³
2.6
Weather
  • ℃
  • ℉
5℃
85%
33 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Airport Township
AQI 14
Bonhomme Township
AQI 12
Chesterfield Township
AQI 12
Clayton Township
AQI 14
Concord Township
AQI 13
Creve Coeur Township
AQI 14
Ferguson Township
AQI 14
Gravois Township
AQI 14
Hadley Township
AQI 11
Jefferson Township
AQI 13
Lemay Township
AQI 14
Lewis and Clark Township
AQI 14
Maryland Heights Township
AQI 20
Meramec Township
AQI 22
Midland Township
AQI 14
Missouri River Township
AQI 14
Normandy Township
AQI 15
Northwest Township
AQI 14
Norwood Township
AQI 24
Oakville Township
AQI 8
Queeny Township
AQI 10
Spanish Lake Township
AQI 25
St. Ferdinand Township
AQI 34
Tesson Ferry Township
AQI 8
University Township
AQI 12
Wildhorse Township
AQI 14
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 14
Des Peres
AQI 14
Crystal Lake Park
AQI 14
Warson Woods
AQI 14
Rock Hill
AQI 14
Kirkwood
AQI 14
Frontenac
AQI 14
Glendale
AQI 14
Country Life Acres
AQI 14
Oakland
AQI 14
Westwood
AQI 14