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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
Pollen
What is the pollen count in Saint-Louis today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint-Louis?
| Weather | Clear sky |
| Temperature | 57.2°F |
| Humidity | 74% |
| Wind | 8.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time France city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Calvados, Normandy | 58 |
| 2 | Le Havre, Normandy | 57 |
| 3 | Saint-Nazaire, Pays de la Loire | 55 |
| 4 | Nantes, Pays de la Loire | 54 |
| 5 | Chartres, Centre | 47 |
| 6 | Nice, Provence-Alpes-Cote d'Azur | 46 |
| 7 | Amiens, Hauts-de-France | 45 |
| 8 | Niort, Nouvelle-Aquitaine | 41 |
| 9 | Bastia, Corsica | 37 |
| 10 | Avignon, Provence-Alpes-Cote d'Azur | 35 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
20*
live AQI index
Good
Overview
What is the current air quality in Saint-Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 20* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.6*µg/m³ | |
✓
PM2.5 concentration in Saint-Louis air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint-Louis?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Saint-Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 20 AQI US |  30% | 68° 57.2° |  15.7 mp/h |
| Thursday, May 23 | Good 26 AQI US | 20% | 69.8° 60.8° | 13.4 mp/h |
| Friday, May 24 | Good 23 AQI US |  | 69.8° 60.8° | 8.9 mp/h |
| Saturday, May 25 | Good 21 AQI US |  | 71.6° 62.6° | 13.4 mp/h |
| Sunday, May 26 | Good 22 AQI US |  | 73.4° 62.6° | 8.9 mp/h |
| Monday, May 27 | Good 30 AQI US | | 77° 66.2° | 13.4 mp/h |
| Tuesday, May 28 | Good 29 AQI US | 20% | 73.4° 66.2° | 11.2 mp/h |
Interested in hourly forecast? Get the app
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