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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 | 75.2°F |
| Humidity | 46% |
| Wind | 15.5 mp/h |
| Pressure | 29.8 Hg |
3D animated air pollution map
US AQI
73*
live AQI index
Moderate
Overview
What is the current air quality in Saint-Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 73* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 22.5*µg/m³ | |
!
PM2.5
x4.5
PM2.5 concentration in Saint-Louis is currently 4.5 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 73 AQI US |  | 82.4° 71.6° |  17.9 mp/h |
| Friday, Apr 19 | Unhealthy for sensitive groups 112 AQI US  | | 80.6° 68° | 17.9 mp/h |
| Saturday, Apr 20 | Unhealthy for sensitive groups 145 AQI US |  | 75.2° 68° | 17.9 mp/h |
| Sunday, Apr 21 | Unhealthy for sensitive groups 111 AQI US | | 71.6° 66.2° | 13.4 mp/h |
| Monday, Apr 22 | Moderate 99 AQI US |  | 69.8° 66.2° | 11.2 mp/h |
| Tuesday, Apr 23 | Moderate 71 AQI US | | 69.8° 66.2° | 11.2 mp/h |
| Wednesday, Apr 24 | Moderate 66 AQI US | | 71.6° 66.2° | 13.4 mp/h |
| Thursday, Apr 25 | Moderate 75 AQI US | | 73.4° 66.2° | 15.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Saint-Louis?
No locations are available.
AQI US, Metric