AddAir quality in St. Louis County
Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis County • 16:00, May 16 Local time
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Main pollutant:
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24°
12 km/h
73 %
Hourly forecast
St. Louis County air quality index (AQI⁺) forecast
Daily forecast
St. Louis County air quality index (AQI⁺) forecast
| Today | 61 |  | 24° 19° |  24 km/h | 86% |
| Sat | 58 |  | 29° 18° | 28 km/h | 69% |
| Sun | 48 | | 28° 23° | 26 km/h | 80% |
Air pollutants
What is the current air quality in St. Louis County?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
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 Low | 25% |
 Grass None | 0% |
 Weed None | 0% |
Source:
wetter.comHealth recommendations
Pollen
What is the pollen count in St. Louis County today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed None | 0% |
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
Station ranking
Real-time AQI⁺ station ranking for stations in St. Louis County
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⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in St. Louis County
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