Air Quality St Louis, MO: Live air quality and pollution Forecasts

live

20 °C 4 UV

fair

45.0 AQI

Main pollutants

31.0

PM2.5

45.0

PM10

42.0

NO2

20.0

O3

outdoor sports
bring baby out
eating outside

The air is moderately polluted. Greater than the maximum limit established for one year by WHO. A long-term exposure constitutes a health risk.

31.0

PM2.5

45.0

PM10

42.0

NO2

20.0

O3

Annual Average 31 AQI

Days per year at this level

AQI

31.0

PM2.5
45.0

PM10
42.0

NO2
20.0

O3

µg/m³

8

PM2.5
40

PM10
21

NO2
20.0

O3

live
week
month
year

Stay away from pollution hotspots in Saint_Louis with our real-time, street-by-street map of air quality.