A vast plume of smoke from Canadian wildfires is drifting across the United States, prompting air quality warnings in multiple states and sending Americans to live air-quality trackers for the latest ...

Ontario requested federal ​assistance to evacuate people from remote northern Canadian communities ravaged by wildfires on Thursday, as smoke brought poor air quality to Toronto ‌and much of the North...

As of Thursday morning, ​there were 858 active ​fires across Canada, including ⁠111 considered out of control, according to government data.