Millions of Americans across the Midwest, Northeast and swathes of the South and Southwest are under air quality alerts ...

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

Wildfire smoke turned dense late Sunday and it will remain that way today with an Air Quality Alert issued for a second day ...

Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

The Pennsylvania Department of Environmental Protection declared a continuation of its “Code Orange” Air Quality Action Day ...

With smokey conditions likely worsening throughout Aug. 3, an air quality advisory was extended to noon Aug. 4.

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality across roughly a dozen states.

Beginning Sunday and continuing into Monday, air quality across Western New York has significantly deteriorated. The main ...

The Wisconsin Department of Natural Resources re-extended its air quality alert statewide as wildfire smoke lingers.

An air quality alert went into effect for the metropolitan area went out Monday at midnight and continues until midnight ...

Hazy conditions will continue over Greater Lansing. Statewide advisory remains in place through Aug. 4, smoke forecast to lessen after Aug. 5.