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.

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

World Cup being hosted by Canada, Mexico and the United States is less than a year away and FIFA's protocols for matches ...

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

In Canada, the Air Quality Health Index (AQHI) is a scale developed to help people understand what the current air quality ...

World Cup approaches, FIFA's guidelines for handling matches affected by wildfire smoke remain unclear. With Canada hosting ...

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...

Wisconsin’s northernmost congressman is fed up with smoke and haze from Canada. Congressman Tom Tiffany was on social media ...

Daycares have also been grappling with how to balance children's activities and well-being during periods of extreme heat and air pollution.

A special air quality statement was issued for northern parts of the region as wildfire smoke continues to affect Canada and ...