As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

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

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.  Air ...

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, ...

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

With Canadian wildfires seemingly out of control, states from Wisconsin to Maine and as far south as Pennsylvania and ...

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 ...

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

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

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

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