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. Louis
Forest Park
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Forest Park
St. Louis, United States
2026-05-30 12:00
AQI (US)
Moderate
Pollutants
|
Pollens
PM2.5
μg/m³
13.8
NO2
μg/m³
18.3
CO
μg/m³
250
Pollen
7.5
Weather
℃
℃
℉
24℃
77%
13 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
PM2.5
NO2
CO
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Richmond Heights
AQI 60
Clayton
AQI 67
Maplewood
AQI 60
Wellston
AQI 60
Shrewsbury
AQI 60
Hillsdale
AQI 60
University City
AQI 67
Brentwood
AQI 67
Pagedale
AQI 67
Mackenzie
AQI 53
Velda Village Hills
AQI 60
Air Matters © 2026