In the height of summer, when most Americans dream of clear skies, campfires, and serene lakeside vacations, a thick haz ...

Air quality alerts continue for millions as wildfire smoke crosses the border from Canada. Plus, the intense heat fueling ...

Air quality alerts remain in effect from Minnesota to the Northeast due to smoke from hundreds of wildfires in Canada. In the West, wildfires in California continue to rage.

Canada is sending troops and coast guard personnel to its easternmost province on Thursday to confront wildfires that have ...

The wildfire areas of Manitoba and Saskatchewan are projected to receive 50 millimeters to 100 millimeters of rain this ...

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and ...

Wildfires raging across Canada may cause hazy conditions in the northeast, including Virginia, over the next several days.

There is little relief in sight for Atlantic Canada with drought conditions continuing and wildfires raging out of control in ...

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...

Code Yellow Air Quality or the moderate level for particle pollution is forecast for Thursday and Friday. This may cause health symptoms for groups of people in the unusually sensitive category.

Two allies of President Donald Trump from Upstate New York have sent a letter to Canadian Prime Minister Mark Carney over the ...

Blazes have released 180 million metric tons of carbon, breaking records in Manitoba and Saskatchewan and blanketing much of ...