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

St. Louis County

Missouri

2026-05-03 16:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
105
PM10
μg/m³
16.7
PM2.5
μg/m³
4.2
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
20℃
39%
24 kph
7 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • SO2
Places included
Airport Township
AQI 15
Bonhomme Township
AQI 15
Chesterfield Township
AQI 15
Clayton Township
AQI 15
Concord Township
AQI 15
Creve Coeur Township
AQI 15
Ferguson Township
AQI 15
Gravois Township
AQI 15
Hadley Township
AQI 15
Jefferson Township
AQI 15
Lemay Township
AQI 15
Lewis and Clark Township
AQI 15
Maryland Heights Township
AQI 43
Meramec Township
AQI 45
Midland Township
AQI 15
Missouri River Township
AQI 15
Normandy Township
AQI 15
Northwest Township
AQI 15
Norwood Township
AQI 24
Oakville Township
AQI 15
Queeny Township
AQI 15
Spanish Lake Township
AQI 33
St. Ferdinand Township
AQI 33
Tesson Ferry Township
AQI 15
University Township
AQI 15
Wildhorse Township
AQI 15
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 15
Des Peres
AQI 15
Crystal Lake Park
AQI 15
Warson Woods
AQI 15
Rock Hill
AQI 15
Kirkwood
AQI 15
Frontenac
AQI 15
Glendale
AQI 15
Country Life Acres
AQI 15
Oakland
AQI 15
Westwood
AQI 15