Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Today's Pollen Count in Ontario
Moderate
Air quality
Air quality of Ontario today
| AQI US AQI | Good | |
| PM2.5 µg/m³ | Good |
3D animated air pollution map
Allergy forecast
Ontario pollen count forecast
| Day | Index | Tree | Grass | Weed | Wind | Weather | Temperature |
|---|---|---|---|---|---|---|---|
| Today | N/A | N/A | N/A | N/A |  13.4 mp/h |  | 59° 37.4° |
| Thursday, May 9 | Very high | Low | Very high | None | 6.7 mp/h |  | 69.8° 39.2° |
| Friday, May 10 | Very high | Low | Very high | None | 4.5 mp/h | | 73.4° 50° |
AQI US, Metric