Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
Missouri
St. Charles County
New Melle
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
New Melle
Boone Township, St. Charles County
2026-10-10 17:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
7.6
O3
μg/m³
82.4
PM10
μg/m³
23.9
NO2
μg/m³
17.4
Pollen
4.6
Weather
℃
℃
℉
26℃
56%
3 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
PM2.5
O3
PM10
NO2
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
New Melle
AQI 43
Lake Saint Louis
AQI 44
Wentzville
AQI 45
Foristell
AQI 44
Flint Hill
AQI 45
Innsbrook
AQI 42
Josephville
AQI 43
Weldon Spring
AQI 42
Weldon Spring Heights
AQI 42
Wright City
AQI 43
O'Fallon
AQI 44
Air Matters © 2026