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

St. Louis County

Missouri

2026-05-12 02:00
AQI (UK)
Low
Pollutants|Pollens
O3
μg/m³
68.6
PM2.5
μg/m³
17
PM10
μg/m³
17.7
NO2
μg/m³
42.7
SO2
μg/m³
0
Weather
  • ℃
  • ℉
17℃
60%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Airport Township
AQI 3
Bonhomme Township
AQI 2
Chesterfield Township
AQI 2
Clayton Township
AQI 3
Concord Township
AQI 1
Creve Coeur Township
AQI 3
Ferguson Township
AQI 3
Gravois Township
AQI 2
Hadley Township
AQI 2
Jefferson Township
AQI 2
Lemay Township
AQI 1
Lewis and Clark Township
AQI 3
Maryland Heights Township
AQI 3
Meramec Township
AQI 2
Midland Township
AQI 3
Missouri River Township
AQI 3
Normandy Township
AQI 2
Northwest Township
AQI 3
Norwood Township
AQI 2
Oakville Township
AQI 1
Queeny Township
AQI 2
Spanish Lake Township
AQI 2
St. Ferdinand Township
AQI 2
Tesson Ferry Township
AQI 1
University Township
AQI 2
Wildhorse Township
AQI 3
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 3
Des Peres
AQI 3
Crystal Lake Park
AQI 3
Warson Woods
AQI 3
Rock Hill
AQI 3
Kirkwood
AQI 3
Frontenac
AQI 3
Glendale
AQI 3
Country Life Acres
AQI 3
Oakland
AQI 3
Westwood
AQI 3