When is Allergy Season in Ottawa?
Ottawa’s allergy season varies depending on the type of pollen in the air. Here’s a quick breakdown:
Spring (March – June)
→ Tree pollen (birch, oak, maple)
Summer (June – August)
→ Grass pollen (bluegrass, ryegrass)
Fall (August – October)
→ Ragweed (one of the worst allergy triggers in Ottawa)
Winter (November – February)
→ Indoor allergens like dust mites and mold spores