AddAir quality in St. Louis County
Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis County • 5 Followers • 16:00, Sep 17 Local time
64*
US AQI⁺Moderate
Main pollutant:
PM2.5
16.3 µg/m³
37°
11 km/h
37 %
Hourly forecast
St. Louis County air quality index (AQI⁺) forecast
Daily forecast
St. Louis County air quality index (AQI⁺) forecast
| Today | 64 | | 37° 26° |  13 km/h | 54% |
| Fri | 64 |  | 32° 26° | 19 km/h | 73% |
| Sat | 59 | | 35° 23° | 14 km/h | 55% |
Air pollutants
What is the current air quality in St. Louis County?
PM2.5 concentration is currently 3.3 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 |
Protect yourself from air pollution in St. Louis County
Air Purifiers
Face Masks
Air Quality Monitors
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 Get an air purifier |
Pollen
What is the pollen count in St. Louis County today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in St. Louis County
Air Purifiers
Face Masks
Air Quality Monitors
Most polluted locations near St. Louis County
Worldwide AQI⁺ 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⁺ ranking
