Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Pollen count and allergy info for Saint-Louis
Saint-Louis pollen and allergy report
Today's Pollen Count in Saint-Louis
High
Air quality
Air quality of Saint-Louis today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
Saint-Louis pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Very high | Very high | None | None |  8.9 mp/h |  90% | 69.8° 50° |
| Monday, May 27 | Very high | Very high | Low | None | 4.5 mp/h | 100% | 62.6° 51.8° |
| Tuesday, May 28 | Very high | Very high | Low | None | 4.5 mp/h |  | 66.2° 50° |
AQI US, Metric