AddAir quality in St. Louis County
Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis County • 5 Followers • 13:00, Aug 17 Local time
61*
US AQI⁺Moderate
Main pollutant:
PM2.5
14.7 µg/m³
27°
16 km/h
67 %
Hourly forecast
St. Louis County air quality index (AQI⁺) forecast
Daily forecast
St. Louis County air quality index (AQI⁺) forecast
| Today | 61 | | 28° 23° |  16 km/h | 75% |
| Tue | 54 |  | 31° 20° | 13 km/h | 67% |
| Wed | 55 | | 27° 22° | 13 km/h | 78% |
Air pollutants
What is the current air quality in St. Louis County?
PM2.5 concentration is currently 2.9 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 Discover Atem car |
Pollen
What is the pollen count in St. Louis County today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
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 Discover Atem car |
Pollen
What is the pollen count in St. Louis County today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comMost polluted locations near St. Louis County
Worldwide AQI⁺ ranking
City ranking
Real-time USA AQI⁺ city ranking
Historic air quality near St. Louis County
History
Historic air quality graph for St. Louis County
Historic air quality near St. Louis County
History
Historic air quality graph for St. Louis County
Most polluted locations near St. Louis County
Worldwide AQI⁺ rankingCity ranking
