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  4. St. Charles County

St. Charles County

Missouri

2026-10-07 20:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
135
PM10
μg/m³
28.5
PM2.5
μg/m³
5.3
NO2
μg/m³
5.8
Weather
  • ℃
  • ℉
31℃
43%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
Places included
Boone Township
AQI 41
Cottleville Township
AQI 40
Dardenne Township
AQI 41
Harvester Township
AQI 7
Lake St. Louis Township
AQI 41
Lindenwood Township
AQI 28
Rivers Township
AQI 43
Spencer Creek Township
AQI 40
St. Peters Township
AQI 40
Wentzville Township
AQI 42
Zumbehl Township
AQI 7
Data Sources
http://www.airnow.gov/

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Cities Nearby

New Melle
AQI 41
Lake Saint Louis
AQI 41
Wentzville
AQI 42
Weldon Spring
AQI 40
Josephville
AQI 30
Weldon Spring Heights
AQI 40
Flint Hill
AQI 42
O'Fallon
AQI 40
Foristell
AQI 42
Cottleville
AQI 41
Saint Paul
AQI 30