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  4. St. Charles County

St. Charles County

Missouri

2026-10-06 15:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.6
PM10
μg/m³
40.5
O3
μg/m³
45
NO2
μg/m³
19.7
Weather
  • ℃
  • ℉
20℃
56%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
Places included
Boone Township
AQI 47
Cottleville Township
AQI 58
Dardenne Township
AQI 51
Harvester Township
AQI 42
Lake St. Louis Township
AQI 50
Lindenwood Township
AQI 42
Rivers Township
AQI 43
Spencer Creek Township
AQI 58
St. Peters Township
AQI 58
Wentzville Township
AQI 50
Zumbehl Township
AQI 42
Data Sources
http://www.airnow.gov/

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Cities Nearby

New Melle
AQI 47
Lake Saint Louis
AQI 50
Wentzville
AQI 50
Weldon Spring
AQI 49
Josephville
AQI 41
Weldon Spring Heights
AQI 49
Flint Hill
AQI 50
O'Fallon
AQI 52
Foristell
AQI 48
Cottleville
AQI 51
Saint Paul
AQI 41