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St. Louis
Missouri, United States
2025-12-19 02:00
AQI (US)
Good
Pollutants
|
Pollens
PM10
μg/m³
24
PM2.5
μg/m³
3.5
O3
μg/m³
42.9
NO2
μg/m³
6.8
CO
μg/m³
250
SO2
μg/m³
0.9
Pollen
1.3
Weather
℃
℃
℉
0℃
68%
8 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Pollen
PM10
PM2.5
O3
NO2
CO
SO2
Places included
BLAIR STREET
AQI 20
BROADWAY (South)
AQI 22
Branch Street
AQI 25
Forest Park
AQI 4
Data Sources
http://www.airnow.gov/
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Cities Nearby
St. Louis
AQI 23
Sauget
AQI 40
East Saint Louis
AQI 40
Brooklyn
AQI 25
Venice
AQI 25
Cahokia
AQI 40
Alorton
AQI 40
Fairmont City
AQI 40
Washington Park
AQI 40
Granite City
AQI 38
Hillsdale
AQI 22
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