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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 | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint-Louis?
| Weather | Clear sky |
| Temperature | 75.2°F |
| Humidity | 42% |
| Wind | 11 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time France city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Calais, Hauts-de-France | 68 |
| 2 | Reims, Grand Est | 66 |
| 3 | Mulhouse, Grand Est | 58 |
| 4 | Amiens, Hauts-de-France | 56 |
| 5 | Mamoudzou, Mayotte | 55 |
| 6 | Lyon, Auvergne-Rhone-Alpes | 51 |
| 7 | Chartres, Centre | 50 |
| 8 | Paris, Ile-de-France | 48 |
| 9 | Avignon, Provence-Alpes-Cote d'Azur | 45 |
| 10 | Marseille, Provence-Alpes-Cote d'Azur | 44 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
63*
live AQI index
Moderate
Overview
What is the current air quality in Saint-Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 63* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.4*µg/m³ | |
!
PM2.5
x3.1
PM2.5 concentration in Saint-Louis is currently 3.1 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 63 AQI US | | 75.2° 60.8° |  6.7 mp/h |
| Saturday, May 11 | Moderate 61 AQI US | | 69.8° 60.8° | 6.7 mp/h |
| Sunday, May 12 | Moderate 61 AQI US |  | 68° 60.8° | 6.7 mp/h |
| Monday, May 13 | Moderate 58 AQI US | | 62.6° 60.8° | 11.2 mp/h |
| Tuesday, May 14 | Moderate 60 AQI US |  100% | 64.4° 55.4° | 13.4 mp/h |
| Wednesday, May 15 | Good 36 AQI US  | | 64.4° 53.6° | 13.4 mp/h |
| Thursday, May 16 | Good 13 AQI US | | 66.2° 55.4° | 17.9 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