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

St. Louis

Missouri, United States

2026-09-25 22:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
68.6
PM10
μg/m³
22
CO
μg/m³
250
NO2
μg/m³
8.8
PM2.5
μg/m³
5.8
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
22℃
69%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
BLAIR STREET
AQI 69
BROADWAY (South)
AQI 16
Branch Street
AQI 27
Forest Park
AQI 13
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 69
Sauget
AQI 30
East Saint Louis
AQI 63
Brooklyn
AQI 30
Venice
AQI 30
Cahokia
AQI 30
Alorton
AQI 30
Fairmont City
AQI 12
Washington Park
AQI 12
Granite City
AQI 12
Hillsdale
AQI 17