Northwest St. Louis Real-time Air Quality Index (AQI) & Pollen Report - Air Matters

Northwest St. Louis

St. Louis County

2026-09-06 16:00

CAQI (Europe)

Insufficient Data

--

Pollutants|Pollens

O3

μg/m³

49.3

Weather

24℃

70%

8 kph

0 of 11

Historical Data

Places included

Data Sources

http://www.airnow.gov/

Get the App

Air Matters

Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

International Falls