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

St. Louis County

Missouri

2026-05-03 15:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
96.4
PM10
μg/m³
14.1
PM2.5
μg/m³
6.1
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
19℃
45%
24 kph
7 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • SO2
Places included
Airport Township
AQI 14
Bonhomme Township
AQI 13
Chesterfield Township
AQI 13
Clayton Township
AQI 14
Concord Township
AQI 13
Creve Coeur Township
AQI 14
Ferguson Township
AQI 14
Gravois Township
AQI 14
Hadley Township
AQI 14
Jefferson Township
AQI 14
Lemay Township
AQI 13
Lewis and Clark Township
AQI 14
Maryland Heights Township
AQI 38
Meramec Township
AQI 43
Midland Township
AQI 14
Missouri River Township
AQI 14
Normandy Township
AQI 14
Northwest Township
AQI 14
Norwood Township
AQI 17
Oakville Township
AQI 17
Queeny Township
AQI 15
Spanish Lake Township
AQI 19
St. Ferdinand Township
AQI 19
Tesson Ferry Township
AQI 17
University Township
AQI 14
Wildhorse Township
AQI 13
Data Sources
http://www.airnow.gov/

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