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.

Air quality warnings remain in effect for parts of Saskatchewan and Manitoba as wildfire smoke continues to linger over the ...

Western winds have pushed smoke plumes from Prairie wildfires toward Quebec and Ontario, including Toronto and the GTA ...

A group of Republican lawmakers has complained that smoke from Canadian wildfires is ruining summer for Americans, just days ...

Risk designations can change regularly in the same community, Environment Canada says, so it's important to keep checking the ...

With wildfires impacting Canadians across the country, the federal government is taking action to prevent wildfires, mitigate their effects and boost resilience.

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to ...

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

(The Center Square) – Wisconsin’s northernmost congressman is fed up with smoke and haze from Canada. Congressman Tom Tiffany ...

Unhealthy air has invaded Minnesota, Wisconsin and North Dakota early this week as a new round of wildfire smoke from Canada ...

The extended forecast suggests unsettled weather midweek, with rain probabilities ranging from 30% to 60%. There is some ...