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  4. St. Charles County

St. Charles County

Missouri

2026-06-28 13:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
12.4
PM10
μg/m³
33
O3
μg/m³
34.3
NO2
μg/m³
8.8
Weather
  • ℃
  • ℉
29℃
80%
6 kph
5 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
Places included
Boone Township
AQI 56
Cottleville Township
AQI 56
Dardenne Township
AQI 56
Harvester Township
AQI 56
Lake St. Louis Township
AQI 43
Lindenwood Township
AQI 56
Rivers Township
AQI 63
Spencer Creek Township
AQI 56
St. Peters Township
AQI 56
Wentzville Township
AQI 49
Zumbehl Township
AQI 56
Data Sources
http://www.airnow.gov/

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Cities Nearby

New Melle
AQI 40
Lake Saint Louis
AQI 43
Wentzville
AQI 49
Weldon Spring
AQI 36
Josephville
AQI 51
Weldon Spring Heights
AQI 56
Flint Hill
AQI 49
O'Fallon
AQI 41
Foristell
AQI 49
Cottleville
AQI 56
Saint Paul
AQI 51