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  3. Missouri
  4. St. Louis County

St. Louis County

Missouri

2026-08-23 14:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
28.8
O3
μg/m³
33.2
PM2.5
μg/m³
5.8
NO2
μg/m³
6
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
25℃
64%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • SO2
Places included
Airport Township
AQI 35
Bonhomme Township
AQI 23
Chesterfield Township
AQI 23
Clayton Township
AQI 33
Concord Township
AQI 23
Creve Coeur Township
AQI 35
Ferguson Township
AQI 35
Gravois Township
AQI 27
Hadley Township
AQI 35
Jefferson Township
AQI 32
Lemay Township
AQI 25
Lewis and Clark Township
AQI 35
Maryland Heights Township
AQI 35
Meramec Township
AQI 23
Midland Township
AQI 35
Missouri River Township
AQI 27
Normandy Township
AQI 35
Northwest Township
AQI 35
Norwood Township
AQI 29
Oakville Township
AQI 23
Queeny Township
AQI 23
Spanish Lake Township
AQI 22
St. Ferdinand Township
AQI 22
Tesson Ferry Township
AQI 23
University Township
AQI 35
Wildhorse Township
AQI 23
Data Sources
http://www.airnow.gov/

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Cities Nearby

Huntleigh
AQI 23
Des Peres
AQI 23
Crystal Lake Park
AQI 23
Warson Woods
AQI 35
Rock Hill
AQI 35
Kirkwood
AQI 23
Frontenac
AQI 35
Glendale
AQI 23
Country Life Acres
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Oakland
AQI 23
Westwood
AQI 35