1. North America
  2. United States
  3. Missouri
  4. St. Louis

St. Louis

Missouri, United States

2026-09-14 14:00
AQI (China)
Good
Pollutants|Pollens
PM10
μg/m³
57
O3
μg/m³
45
NO2
μg/m³
18.4
PM2.5
μg/m³
5
CO
μg/m³
312.5
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
22℃
61%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
BLAIR STREET
AQI 37
BROADWAY (South)
AQI 2
Branch Street
AQI 70
Forest Park
AQI 11
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

St. Louis
AQI 55
Sauget
AQI 70
East Saint Louis
AQI 70
Brooklyn
AQI 70
Venice
AQI 70
Cahokia
AQI 70
Alorton
AQI 70
Fairmont City
AQI 16
Washington Park
AQI 16
Granite City
AQI 16
Hillsdale
AQI 37