Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

Milwaukee has the 2nd worst air quality in the U.S. on June 5, per NYT. An air quality advisory across the state has also ...

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

Smoke from Canadian wildfires has floated down deep into the United States and is combining with local air pollution, ...

Smoke from the Canadian wildfires continues to bring dangerous air quality to parts of the northern U.S., with hazy skies possible.

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

Milwaukee currently has the worst air quality in the U.S., The New York Times reported on June 4. Here's what you need to ...

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed ...

Air quality alerts have also been posted for the Interstate 95 corridor in the Northeast between Philadelphia, New York City ...

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...