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

St. Louis

Missouri, United States

2026-09-13 18:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
12.2
O3
μg/m³
92.1
PM10
μg/m³
33
CO
μg/m³
250
NO2
μg/m³
4.7
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
30℃
53%
19 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • CO
  • NO2
  • SO2
Places included
BLAIR STREET
AQI 52
BROADWAY (South)
AQI 32
Branch Street
AQI 54
Forest Park
AQI 76
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 57
Sauget
AQI 52
East Saint Louis
AQI 47
Brooklyn
AQI 45
Venice
AQI 45
Cahokia
AQI 52
Alorton
AQI 52
Fairmont City
AQI 52
Washington Park
AQI 52
Granite City
AQI 46
Hillsdale
AQI 149