Burlington has the worst air quality in the country on Monday compared with other Canadian cities according to the World Air Quality Index.

Degraded and/or unsafe air quality levels will continue across parts of Canada Monday as wildfire smoke lingers. However, the ...

Toronto and the GTA is under a special air quality statement due to wildfire smoke. Residents are encouraged to limit their ...

Toronto is among the most polluted cities in the world on Monday morning as the city remains under a special air quality ...