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

St. Louis

Missouri, United States

2026-05-28 07:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
14.9
PM10
μg/m³
52
NO2
μg/m³
67.6
CO
μg/m³
625
O3
μg/m³
6.4
SO2
μg/m³
0.6
Weather
  • ℃
  • ℉
20℃
91%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • NO2
  • CO
  • O3
  • SO2
Places included
BLAIR STREET
AQI 77
BROADWAY (South)
AQI 34
Branch Street
AQI 58
Forest Park
AQI 66
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 62
Sauget
AQI 58
East Saint Louis
AQI 58
Brooklyn
AQI 58
Venice
AQI 58
Cahokia
AQI 58
Alorton
AQI 58
Fairmont City
AQI 53
Washington Park
AQI 53
Granite City
AQI 58
Hillsdale
AQI 66