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

St. Louis

Missouri, United States

2026-06-25 19:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
115.7
PM10
μg/m³
34.5
CO
μg/m³
250
NO2
μg/m³
8.7
PM2.5
μg/m³
5.2
SO2
μg/m³
0
Weather
  • ℃
  • ℉
31℃
63%
7 kph
7 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
BLAIR STREET
AQI 124
BROADWAY (South)
AQI 8
Branch Street
AQI 53
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 124
Sauget
AQI 53
East Saint Louis
AQI 117
Brooklyn
AQI 53
Venice
AQI 53
Cahokia
AQI 53
Alorton
AQI 53
Fairmont City
AQI 10
Washington Park
AQI 10
Granite City
AQI 10
Hillsdale
AQI 16