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

St. Louis County

Missouri

2025-12-16 03:00
AQI (China)
Excellent
Pollutants|Pollens
NO2
μg/m³
65.5
PM10
μg/m³
14.6
PM2.5
μg/m³
10.1
SO2
μg/m³
6.9
Weather
  • ℃
  • ℉
1℃
63%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • NO2
  • PM10
  • PM2.5
  • SO2
Places included
Airport Township
AQI 33
Bonhomme Township
AQI 17
Chesterfield Township
AQI 17
Clayton Township
AQI 19
Concord Township
AQI 15
Creve Coeur Township
AQI 19
Ferguson Township
AQI 19
Gravois Township
AQI 15
Hadley Township
AQI 14
Jefferson Township
AQI 17
Lemay Township
AQI 15
Lewis and Clark Township
AQI 19
Maryland Heights Township
AQI 19
Meramec Township
AQI 15
Midland Township
AQI 19
Missouri River Township
AQI 19
Normandy Township
AQI 16
Northwest Township
AQI 19
Norwood Township
AQI 15
Oakville Township
AQI 15
Queeny Township
AQI 15
Spanish Lake Township
AQI 16
St. Ferdinand Township
AQI 16
Tesson Ferry Township
AQI 15
University Township
AQI 14
Wildhorse Township
AQI 19
Data Sources
http://www.airnow.gov/

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