1. North America
  2. United States
  3. Missouri
  4. St. Charles County
  6. O'Fallon

O'Fallon

Boone Township, St. Charles County

2025-03-16 18:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
19.9
PM2.5
μg/m³
13.4
Weather
  • ℃
  • ℉
5℃
56%
32 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • PM2.5

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

O'Fallon
AQI 20
St. Peters
AQI 2
Saint Paul
AQI 20
Cottleville
AQI 2
Lake Saint Louis
AQI 20
Josephville
AQI 20
Weldon Spring
AQI 20
Weldon Spring Heights
AQI 2
Wentzville
AQI 20
Chain of Rocks
AQI 20
Flint Hill
AQI 20