The wildfires have forced more than 30,000 people in Alberta, Saskatchewan and Manitoba to flee their homes. Read more at ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

More than 30,000 people in Canada have been evacuated due to wildfires, and millions of acres have burned — and it's only the start of the fire season. John Vaillant, author of "Fire Weather: A True ...

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

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

Wildfire smoke from blazes burning in the Canadian prairie has drifted across New York and Chicago, contributing to ...

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and ...

Many fires burning across Canada, forcing evacuations and threatening air quality in the United States, cannot simply be put ...

A series of wildfires burning across central Canada sent smoke billowing into the U.S. over the weekend, with few signs that ...