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 ...

A smaller snowpack in Canada has left forests primed to burn, starting wildfire season earlier than normal in recent years.

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 ...

From the column: "As Stauber ... (has) to be well aware, the ever-increasing prevalence of wildfires, both in Canada and the ...

At least twelve states have issued air quality alerts and advisories due to the ongoing Canadian wildfires sending smoke down ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air ...