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  4. St. Louis County

St. Louis County

Missouri

2026-02-19 01:00
AQI (India)
Moderately polluted
Pollutants|Pollens
NO2
μg/m³
96.7
PM10
μg/m³
51.4
PM2.5
μg/m³
7.3
SO2
μg/m³
6.9
Weather
  • ℃
  • ℉
15℃
64%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • NO2
  • PM10
  • PM2.5
  • SO2
Places included
Airport Township
AQI 117
Bonhomme Township
AQI 45
Chesterfield Township
AQI 45
Clayton Township
AQI 57
Concord Township
AQI 45
Creve Coeur Township
AQI 59
Ferguson Township
AQI 59
Gravois Township
AQI 50
Hadley Township
AQI 59
Jefferson Township
AQI 56
Lemay Township
AQI 45
Lewis and Clark Township
AQI 59
Maryland Heights Township
AQI 59
Meramec Township
AQI 45
Midland Township
AQI 59
Missouri River Township
AQI 50
Normandy Township
AQI 59
Northwest Township
AQI 59
Norwood Township
AQI 50
Oakville Township
AQI 45
Queeny Township
AQI 45
Spanish Lake Township
AQI 40
St. Ferdinand Township
AQI 40
Tesson Ferry Township
AQI 45
University Township
AQI 59
Wildhorse Township
AQI 45
Data Sources
http://www.airnow.gov/

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Huntleigh
AQI 45
Des Peres
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Crystal Lake Park
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Warson Woods
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Rock Hill
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Kirkwood
AQI 45
Frontenac
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Glendale
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Country Life Acres
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Oakland
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Westwood
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