Spring allergy season has begun. Where is it worse in Canada?
The spring allergy season has started early in many parts of Canada, with high levels of pollen in some cities already. Experts weigh in on which areas have it worse so far this season.
The spring allergy season has started early in many parts of Canada, with high levels of pollen in some cities already. Experts weigh in on which areas have it worse so far this season.
