Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Pollen count and allergy info for Saint Charles
Saint Charles pollen and allergy report
Today's Pollen Count in Saint Charles
Low
Air quality
Air quality of Saint Charles today
| AQI US AQI | Moderate | |
| PM2.5 µg/m³ | Moderate |
3D animated air pollution map
Allergy forecast
Saint Charles pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | Very high | Very high | Low | None |  6.7 mp/h |  30% | 87.8° 62.6° |
| Thursday, May 9 | Very high | Very high | Low | None | 13.4 mp/h | 80% | 80.6° 59° |
| Friday, May 10 | Very high | Very high | Low | None | 13.4 mp/h |  | 68° 53.6° |
AQI US, Metric