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

St. Louis County

Missouri

2025-12-15 21:00
AQI (US)
Good
Pollutants|Pollens
PM10
μg/m³
16.6
PM2.5
μg/m³
2.2
NO2
μg/m³
22.8
SO2
μg/m³
8.3
Weather
  • ℃
  • ℉
7℃
31%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • PM2.5
  • NO2
  • SO2
Places included
Airport Township
AQI 19
Bonhomme Township
AQI 12
Chesterfield Township
AQI 12
Clayton Township
AQI 18
Concord Township
AQI 24
Creve Coeur Township
AQI 19
Ferguson Township
AQI 19
Gravois Township
AQI 25
Hadley Township
AQI 29
Jefferson Township
AQI 17
Lemay Township
AQI 25
Lewis and Clark Township
AQI 19
Maryland Heights Township
AQI 19
Meramec Township
AQI 20
Midland Township
AQI 19
Missouri River Township
AQI 14
Normandy Township
AQI 19
Northwest Township
AQI 19
Norwood Township
AQI 19
Oakville Township
AQI 20
Queeny Township
AQI 15
Spanish Lake Township
AQI 25
St. Ferdinand Township
AQI 24
Tesson Ferry Township
AQI 20
University Township
AQI 19
Wildhorse Township
AQI 12
Data Sources
http://www.airnow.gov/

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