Toronto’s air quality index was at eight, or “high risk,” this morning. Environment Canada says reduced air quality can cause mild eye, nose and throat irritation while more serious but less common symptoms include chest pains and a severe cough.

Wildfire smoke from the Prairies prompted special air quality statements and warnings across the country Saturday.

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the air quality will begin to improve as the week progresses, from west to eas