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

St. Louis

Missouri, United States

2026-09-22 11:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
34.3
PM10
μg/m³
23
NO2
μg/m³
13.7
CO
μg/m³
312.5
PM2.5
μg/m³
2.7
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
18℃
86%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • CO
  • PM2.5
  • SO2
Places included
BLAIR STREET
AQI 35
BROADWAY (South)
AQI 5
Branch Street
AQI 27
Forest Park
AQI 14
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 35
Sauget
AQI 27
East Saint Louis
AQI 33
Brooklyn
AQI 27
Venice
AQI 27
Cahokia
AQI 27
Alorton
AQI 27
Fairmont City
AQI 13
Washington Park
AQI 13
Granite City
AQI 13
Hillsdale
AQI 19