Continued drifting of wildfire smoke from Canada and Alaska has prompted Bay Area air regulators to extend an air quality ...

Wildfires are already burning in parts of Canada, and as they do, many communities are already facing the familiar thick haze ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching all the way to Europe.

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

Some leave on their own. But there are others who choose to stay, including many farmers who do not want to surrender their ...

Wildfire smoke from Manitoba, Canada, will blow across two dozen states through Saturday, reducing air quality and creating hazy skies.

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

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

Smoke poured over the Canadian border into eastern Alaska this weekend, bringing poor air quality to communities from ...

MANITOBA, Canada — Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere.

Dry conditions in Canada start a chain of events that exacerbates wildfires, injects plumes of smoke in the air and affects air quality in Milwaukee.