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

St. Louis County

Missouri

2026-05-03 15:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
84.6
PM10
μg/m³
12.7
PM2.5
μg/m³
4.4
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
17℃
51%
24 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • SO2
Places included
Airport Township
AQI 14
Bonhomme Township
AQI 9
Chesterfield Township
AQI 9
Clayton Township
AQI 13
Concord Township
AQI 9
Creve Coeur Township
AQI 14
Ferguson Township
AQI 14
Gravois Township
AQI 11
Hadley Township
AQI 14
Jefferson Township
AQI 13
Lemay Township
AQI 9
Lewis and Clark Township
AQI 14
Maryland Heights Township
AQI 35
Meramec Township
AQI 36
Midland Township
AQI 14
Missouri River Township
AQI 11
Normandy Township
AQI 14
Northwest Township
AQI 14
Norwood Township
AQI 18
Oakville Township
AQI 9
Queeny Township
AQI 9
Spanish Lake Township
AQI 22
St. Ferdinand Township
AQI 22
Tesson Ferry Township
AQI 9
University Township
AQI 14
Wildhorse Township
AQI 10
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 10
Des Peres
AQI 10
Crystal Lake Park
AQI 10
Warson Woods
AQI 14
Rock Hill
AQI 14
Kirkwood
AQI 10
Frontenac
AQI 14
Glendale
AQI 10
Country Life Acres
AQI 10
Oakland
AQI 10
Westwood
AQI 14