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

St. Louis

Missouri, United States

2025-12-17 05:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
34.1
PM10
μg/m³
79.5
O3
μg/m³
38.6
NO2
μg/m³
33.8
CO
μg/m³
312.5
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
5℃
62%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
BLAIR STREET
AQI 59
BROADWAY (South)
AQI 41
Branch Street
AQI 186
Forest Park
AQI 53
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 98
Sauget
AQI 93
East Saint Louis
AQI 93
Brooklyn
AQI 186
Venice
AQI 186
Cahokia
AQI 93
Alorton
AQI 93
Fairmont City
AQI 56
Washington Park
AQI 56
Granite City
AQI 54
Hillsdale
AQI 53