The number of wildfires caused by humans vs. lightning strikes has varied over the years, but Natural Resources Canada ...

The smoke emanating from the forest fires burning across Canada’s prairies may be visible in parts of the Greater Toronto ...

Smoke from a series of wildfires burning across central Canada has prompted officials to issue an air quality alert for the ...

Smoke from the Canadian wildfires​ will be visible in the Philadelphia area, and an air quality alert has been issued for Wednesday in the Delaware Valley.