AddAir quality in St. Lewis
Air quality index (AQI⁺) and PM2.5 air pollution in St. Lewis • 15:30, Jul 09 Local time
53*
US AQI⁺Moderate
Main pollutant:
PM2.5
10.4 µg/m³
14°
36 km/h
84 %
Hourly forecast
St. Lewis air quality index (AQI⁺) forecast
Daily forecast
St. Lewis air quality index (AQI⁺) forecast
| Today | 53 |  | 19° 12° |  43 km/h | 68% |
| Fri | 49 |  | 14° 12° | 25 km/h | 78% |
| Sat | 40 |  | 11° 9° | 26 km/h | 75% |
Air pollutants
What is the current air quality in St. Lewis?
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. Lewis today?
Index
Low
 Tree None | 0% |
 Grass Low | 25% |
 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. Lewis today?
Index
Low
Tree None | 0% |
Grass Low | 25% |
Weed None | 0% |
Source:
wetter.comMost polluted locations near St. Lewis
Worldwide AQI⁺ ranking
Historic air quality near St. Lewis
History
Historic air quality graph for St. Lewis
Historic air quality near St. Lewis
History
Historic air quality graph for St. Lewis
Most polluted locations near St. Lewis
Worldwide AQI⁺ ranking
