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

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 ...

Summer smoke from Canadian wildfires is once again hazing out Minnesota skies — just in time for your long-awaited Northwoods ...

The scale and intensity of the fires have had transboundary effects. Smoke from the blazes has drifted across the border into ...

The Canadian Wildfire Smoke that has been Unhealthy and Dense at times since last Wednesday has been pushed north and east of ...

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

Minnesota is experiencing its longest air quality alert on record — seven days. The alert will remain in effect until noon on ...

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

Minnesota's air quality is suffering due to smoke from Canadian wildfires, affecting residents statewide with alerts in place ...

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 ...

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