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

Tuesday’s air quality warning has dropped to a 5, considered a moderate risk, down from Monday’s peak of 10+ on the Air ...

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

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...

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

The city had among the worst air quality in the world for a time on Wednesday and officials warned that poor air quality in the area would likely last into Friday. By Dan Bilefsky Toronto has ...

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

According to IQAir's global air quality ranking, Toronto is currently the second most polluted city in the entire world. It puts the 6ix ahead of major cities known for chronic pollution, such as ...

At one point on Wednesday afternoon, Toronto's air quality was ranked worst among major cities of the world due to the forest fire smoke, according to a ranking provided by air quality tracker IQAir.

As of Tuesday night, Toronto's air quality is predicted to reach a six on the 10-point Air Quality Health Index (AQHI) scale, which measures air quality based on how it will impact health.

Toronto’s air quality was the worst in the world due to the wildfire smoke earlier on Wednesday, according to data from Swiss air quality tracker IQAir. While no longer the worst, it is still ...