Air quality alerts remain in effect as wildfire smoke spreads across the eastern U.S. ahead of Sunday's World Cup final.

Saturday brings a high chance of thunderstorms across much of the Northeast and Mid-Atlantic, which will help dampen the bad air. Wildfire...

Plumes of smoke from wildfires in Canada are pouring into major US cities.

Donald Trump has threatened to impose tariffs on Canada over wildfire smoke that is choking US cities.

Though folks in the Chicago area are likely eager to get outside after days of poor air quality while the region was covered by a blanket of...

‘The United States is being unnecessarily invaded by filthy, polluted, and unhealthy air,’ Trump wrote on Truth Social

A proposed housing development at the former Windsor Creek Elementary School site is sparking debate among residents, with supporters pointi...

Southwest winds have pushed the wildfire smoke away from Chicago, for now.While blue skies broke through the blanket of haze covering mu...

President Trump threatened more tariffs on Canada for wildfires that have blanketed large parts of the Midwest and East Coast in smoke in re...

That dangerous wildfire smoke from Canada is now on the move and smothering new U.S. cities. NBC News’ Tom Costello has the latest.

Mikel Merino can smell and see the smoke from the Canadian wildfires that are making for hazy conditions across large parts of the U.S., inc...

Officials have issued an air-quality health alert after smoke blanketed New York and New Jersey...

Millions of people in the Great Lakes, Northeast and Mid-Atlantic states muddled through another day of unhealthy air from uncontrolled wild...

A heavy blanket of wildfire smoke covering northeast Illinois began letting up a bit as Friday progressed, but what will the weekend look li...

Friday night’s game between the Pittsburgh Pirates and Cleveland Guardians was postponed due to air quality concerns because of wildfire smo...