AddAir quality in St. Louis
Air quality index (AQI⁺) and PM2.5 air pollution in St. Louis • 28 Followers • 05:00, Oct 22 Local time
28*
US AQI⁺Good
Main pollutant:
PM2.5
5.2 µg/m³
7°
8 km/h
87 %
Hourly forecast
St. Louis air quality index (AQI⁺) forecast
Daily forecast
|
St. Louis air quality index (AQI⁺) forecast
| Today | 36 |  | 20° 7° |  12 km/h | 68% |
| Fri | 50 |  | 14° 9° | 10 km/h | 86% |
| Sat | 44 | | 20° 9° | 13 km/h | 63% |
Air pollutants
What is the current air quality in St. Louis?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in St. Louis today?
Index
Low
 Tree None | 0% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in St. Louis today?
Index
Low
Tree None | 0% |
Grass None | 0% |
Weed Low | 25% |
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
28 AQI⁺ US
Good
05:00–06:00 Oct 22 Local time
AQI⁺ US
Historic air quality near St. Louis
History
Historic air quality graph for St. Louis
28 AQI⁺ US
Good
05:00–06:00 Oct 22 Local time
AQI⁺ US
Most polluted locations near St. Louis
Worldwide AQI⁺ ranking
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Where is the cleanest air quality in St. Louis?
No locations are available.
