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.

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

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

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

An air quality alert will be in effect across the entire state until 5 p.m. Aug. 2, according to the Minnesota Pollution ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds.

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

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 ...

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