AddAir quality in St. Louis
Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis • 25 Followers • 08:00, Apr 17 Local time
54*
US AQI⁺Moderate
Main pollutant:
PM2.5
10.7 µg/m³
16°
15 km/h
88 %
Hourly forecast
St. Louis air quality index (AQI⁺) forecast
Daily forecast
St. Louis air quality index (AQI⁺) forecast
| Today | 48 |  | 20° 13° |  24 km/h | 86% |
| Sat | 23 | | 17° 4° | 32 km/h | 79% |
| Sun | 8 |  | 7° 0° | 30 km/h | 51% |
Air pollutants
What is the current air quality in St. Louis?
PM2.5 concentration is currently 2.1 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Sensitive groups should reduce outdoor exercise |
 Close your windows to avoid dirty outdoor air Get a monitor |
 Sensitive groups should wear a mask outdoors Get a mask |
 Sensitive groups should run an air purifier Get an air purifier |
Pollen
What is the pollen count in St. Louis today?
Index
Low
 Tree Low | 25% |
 Grass None | 0% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
Sensitive groups should reduce outdoor exercise |
Close your windows to avoid dirty outdoor air Get a monitor |
Sensitive groups should wear a mask outdoors Get a mask |
Sensitive groups should run an air purifier Get an air purifier |
Pollen
What is the pollen count in St. Louis today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed None | 0% |
Source:
wetter.comMost polluted locations near St. Louis
Worldwide AQI⁺ ranking
Historic air quality near St. Louis
History
Historic air quality graph for St. Louis
Historic air quality near St. Louis
History
Historic air quality graph for St. Louis
Most polluted locations near St. Louis
Worldwide AQI⁺ ranking
