Air quality in St. Louis

This week's air quality levels in St. Louis

week
average
40 AQI
average
40 AQI

Main pollutants

16
PM25
23
PM10
6
NO2
35
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.

This week's air quality levels in St. Louis

16
PM25
23
PM10
6
NO2
35
O3

Main pollutants

AQI

  • 16
    PM25
  • 23
    PM10
  • 6
    NO2
  • 35
    O3

µg/m³

  • 8
    PM25
  • 23
    PM10
  • 13
    NO2
  • 35
    O3

discover flow

To avoid the most polluted places in your city, we developed Flow, the personal air quality tracker.

learn more

Download Plume Lab’s free Air Report app