Pollen OutlookToronto Reference Library, ONUpdated on Wednesday, April 22nd
High
Top Allergens
- Birch
- Ash
- Boxelder, Maple
Data provided by Aerobiology Research
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3 Day Pollen Forecast
Legend
High: 81-200 grains/m³
The pollen forecast is based on actual number of particles per cubic metre of air.
Forecasts Provided by Aerobiology Research Laboratories under license
