Health specialists were put on leave, and a report on how to protect 20 million workers from wildfire smoke has stalled ...

More than 200 wildfires are blazing across Canada, forcing 27,000 people to evacuate and creating hazardous air quality all ...

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.

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

Blanc, the tallest mountain in Western Europe, as a result of massive wildfires raging across Canada. The smoke has traveled ...

The raging fires on Thursday are also expected to degrade air quality in parts of the Great Plains and Midwest. In New York, ...

If you're seeing smoke in the Harford County area, officials say don't worry. The smoke is due to the wildfires in New Jersey ...

Right now, wildfires are raging across over 7 million acres of boreal forest in Western Canada, a continuous blanket of ...

The Kananaskis area of the Canadian Rocky Mountains, where the Group of Seven leaders' summit starts on Sunday, is not in a ...

sending choking smoke to the United States and as far as Europe. There were 225 wildfires burning across Canada on Thursday, with 121 of them out of control. Government officials said that recent ...

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