What are the health risks of wildfire smoke? How to protect your lungs from poor air quality

Raging wildfires in Western Canada have blanketed skies with acrid smoke, prompting air quality statements or warnings in Saskatchewan, Manitoba, Ontario and Quebec.Residents in these provinces were advised on Monday to limit time outdoors to avoid health effects. In the morning, Toronto’s Air Quality Health Index rating was more than 10, which is considered “very high risk.”