World leaders may face smoke warnings when they gather next week in Alberta as wildfires burned out of control across much of ...

Forecasters warn that hazy, grayish-blue skies could persist for many weeks as fires continue to burn, though most smoke will ...

An air quality advisory for Long Island is the result of smoke from Canada wildfires, New York State officials say.

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

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

States across the border issued air advisories about particulate pollution that are expected to last for several days.

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

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

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

The fires’ consequences are not just being felt locally, but internationally. Smoke from the wildfires has drifted across the ...