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Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

Ontario's poor air quality and hazy skies will persist for the next couple of days for many areas, with widespread alerts ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due to smoke from wildfires, as Environment Canada advised residents ...

Wildfire smoke in several parts of the country is forcing summer camp providers whose communities are under air quality ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

There’s a layer of haze in the air, as smoke from burning wildfires has blown into southern Ontario. And according to the ...

Parts of the Greater Toronto Area (GTA) are under an air quality warning on Monday alongside an ongoing heat warning in the region, Environment Canada says. Smoke from forest fires over northern ...

Air quality warnings in effect for the Greater Toronto Area, as wildfire smoke from northern Ontario impacts much of the province. The poor air quality may persist for the next several days for some a ...

Environment Canada has placed Toronto, and the surrounding GTA, under both a heat wave and a poor air quality warning due to ...