Montreal has poorest air quality in the world today: tracker
montreal.ctvnews.ca
As far as big cities go, Montreal has the worst air quality in the world on Sunday, according to a website that tracks air quality indexes (AQIs) across the globe. The smog is a product of wildfires in northern Quebec, 80 of which are currently burning.

As far as big cities go, Montreal has the worst air quality in the world on Sunday, according to a website that tracks air quality indexes (AQIs) across the globe. The smog is a product of wildfires in northern Quebec, 80 of which are currently burning.