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Air quality in Saint-Louis
Air quality index (AQI) and PM2.5 air pollution in Saint-Louis
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Saint-Louis Air Quality Map
Real-time Saint-Louis air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Saint-Louis?
| Weather | Clear sky |
| Temperature | 68°F |
| Humidity | 88% |
| Wind | 11.5 mp/h |
| Pressure | 29.9 Hg |
3D animated air pollution map
US AQI
60*
live AQI index
Moderate
Overview
What is the current air quality in Saint-Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 60* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.8*µg/m³ | |
!
PM2.5
x2.8
PM2.5 concentration in Saint-Louis is currently 2.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint-Louis?
 | 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 |
Forecast
Saint-Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 60 AQI US |  | 77° 68° |  20.1 mp/h |
| Monday, May 20 | Moderate 97 AQI US |  | 77° 69.8° | 17.9 mp/h |
| Tuesday, May 21 | Unhealthy for sensitive groups 147 AQI US  | | 77° 71.6° | 20.1 mp/h |
| Wednesday, May 22 | Unhealthy for sensitive groups 148 AQI US |  | 75.2° 69.8° | 22.4 mp/h |
| Thursday, May 23 | Unhealthy for sensitive groups 110 AQI US | | 75.2° 69.8° | 20.1 mp/h |
| Friday, May 24 | Moderate 87 AQI US | | 75.2° 69.8° | 17.9 mp/h |
| Saturday, May 25 | Moderate 90 AQI US | | 77° 71.6° | 20.1 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Saint-Louis?
No locations are available.
AQI US, Metric