This link is the parents speaking, nonetheless another data point [0}

I'm respiratorily at risk to particulate matter in the air (partially my own fault for cigarette smoking for many years, partially happenstance via a house fire/smoke inhalation), and the air quality has been a bastard in ON Canada this summer. It certainly has affected my outdoor activities.

[0] https://www.cbc.ca/news/canada/british-columbia/nine-year-ol...