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  2. United States
  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2025-12-17 03:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.6
PM10
μg/m³
20.1
NO2
μg/m³
20.3
SO2
μg/m³
4
Weather
  • ℃
  • ℉
5℃
58%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • SO2
Places included
Airport Township
AQI 27
Bonhomme Township
AQI 32
Chesterfield Township
AQI 32
Clayton Township
AQI 27
Concord Township
AQI 53
Creve Coeur Township
AQI 27
Ferguson Township
AQI 27
Gravois Township
AQI 54
Hadley Township
AQI 51
Jefferson Township
AQI 33
Lemay Township
AQI 54
Lewis and Clark Township
AQI 27
Maryland Heights Township
AQI 27
Meramec Township
AQI 41
Midland Township
AQI 27
Missouri River Township
AQI 27
Normandy Township
AQI 34
Northwest Township
AQI 27
Norwood Township
AQI 38
Oakville Township
AQI 41
Queeny Township
AQI 36
Spanish Lake Township
AQI 51
St. Ferdinand Township
AQI 49
Tesson Ferry Township
AQI 41
University Township
AQI 40
Wildhorse Township
AQI 27
Data Sources
http://www.airnow.gov/

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