Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again ...

Conditions are expected to gradually improve Sunday as winds dillute the fine particulate matter that affects health.

Parts of British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, New Brunswick, and Newfoundland and Labrador ...

The wildfires raging in Western Canada have made their effects felt in Central Canada, reducing air quality at the surface in ...

Parts of Ontario and Quebec were covered in a thick haze recently, as wildfire smoke from Manitoba and Saskatchewan ...

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