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St. Charles County

Missouri

2026-10-09 23:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
137.1
PM10
μg/m³
69.5
NO2
μg/m³
9
PM2.5
μg/m³
4.1
Weather
  • ℃
  • ℉
28℃
43%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
Places included
Boone Township
AQI 143
Cottleville Township
AQI 145
Dardenne Township
AQI 145
Harvester Township
AQI 6
Lake St. Louis Township
AQI 146
Lindenwood Township
AQI 79
Rivers Township
AQI 155
Spencer Creek Township
AQI 145
St. Peters Township
AQI 145
Wentzville Township
AQI 149
Zumbehl Township
AQI 6
Data Sources
http://www.airnow.gov/

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Cities Nearby

New Melle
AQI 143
Lake Saint Louis
AQI 146
Wentzville
AQI 149
Weldon Spring
AQI 141
Josephville
AQI 97
Weldon Spring Heights
AQI 141
Flint Hill
AQI 149
O'Fallon
AQI 144
Foristell
AQI 149
Cottleville
AQI 145
Saint Paul
AQI 97