1. North America
  2. United States
  3. Missouri
  4. St. Charles County

St. Charles County

Missouri

2026-09-28 12:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
29
O3
μg/m³
57.9
NO2
μg/m³
12.1
PM2.5
μg/m³
3.8
Weather
  • ℃
  • ℉
16℃
86%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • NO2
  • PM2.5
Places included
Boone Township
AQI 6
Cottleville Township
AQI 6
Dardenne Township
AQI 6
Harvester Township
AQI 6
Lake St. Louis Township
AQI 21
Lindenwood Township
AQI 46
Rivers Township
AQI 19
Spencer Creek Township
AQI 6
St. Peters Township
AQI 6
Wentzville Township
AQI 17
Zumbehl Township
AQI 6
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

New Melle
AQI 20
Lake Saint Louis
AQI 21
Wentzville
AQI 17
Weldon Spring
AQI 22
Josephville
AQI 15
Weldon Spring Heights
AQI 6
Flint Hill
AQI 17
O'Fallon
AQI 25
Foristell
AQI 17
Cottleville
AQI 6
Saint Paul
AQI 15