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

As hundreds of wildfires continue to burn in Canada, the smoke from the flames is bringing potentially dangerous air quality ...

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

Rounds of smoke from hundreds of Canadian wildfires, as well as dust blowing off Sub-Saharan Africa, will continue to envelop ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Parts of the Upper Midwest were under air quality alerts on Tuesday. The New York City region is expected to be at risk on ...

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Massive clouds of pollutants could collide in North Carolina this week and result in poor air quality conditions for millions ...

Canada has one of the world's largest forests. It's experiencing heat and drought. It's a recipe for wildfires — and for ...