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

St. Louis

Missouri, United States

2026-09-14 20:00
AQI (US)
Moderate
Pollutants|Pollens
PM10
μg/m³
93
O3
μg/m³
100.7
PM2.5
μg/m³
6.6
NO2
μg/m³
14.1
CO
μg/m³
312.5
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
31℃
47%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
BLAIR STREET
AQI 47
BROADWAY (South)
AQI 10
Branch Street
AQI 91
Forest Park
AQI 51
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 70
Sauget
AQI 91
East Saint Louis
AQI 91
Brooklyn
AQI 91
Venice
AQI 91
Cahokia
AQI 91
Alorton
AQI 91
Fairmont City
AQI 38
Washington Park
AQI 38
Granite City
AQI 40
Hillsdale
AQI 51