Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia as well as other parts of Europe ...

Hazy skies from fires are reminiscent of 2023 when Chicago was the second-most-polluted major city in the country.

A recurring atmospheric phenomenon that doesn't always reach North America is expected to dust SC skies this week.

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...

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

In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

Smoke from wildfires burning in three Canadian provinces covered about a third of the U.S. on Wednesday, forecasters said, ...

Canadian Natural Resources has restarted its Jackfish 1 oil sands site in northern Alberta after determining wildfires in the ...

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

The Michigan Air Quality Division said that as smoke from Canadian wildfires continues to threaten the upper Midwest, ...