Air quality in states north of Tennessee has been reduced by smoke from Canadian wildfires, but how will those wildfires ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Air quality alerts are in effect on Tuesday in 10 states as toxic smoke from hundreds of wildfires burning in Canada ...

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

New York City air quality is dropping as Canadian forest-fire smoke swirls down the Hudson River, shrouding much of the ...

Minneapolis has one of the worst air qualities in the world on Thursday morning, with officials warning the smoky air is ...

Smoke from wildfires blazing across Canada is once again wafting over huge portions of the U.S. Midwest and worsening air ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

The previous record, set in 2021, was five days. The current alert is expected to last seven days. It will remain in effect ...

The air quality index on Tuesday across the Midwest and the Northeast ranged from "moderate" to "unhealthy" for sensitive adults. Some areas in northern Wisconsin, eastern Pennsylvania, northern ...

Smoke from over 700 wildfires in Canada have made air quality in cities from Minnesota to the Northeast among the worst in ...