As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality ...

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

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's ...

B.C.'s fire season is surging as the number of active wildfires more than doubled from 61 on Thursday to 134 by Friday ...

Blazes burning across Canada are sending air quality plummeting in Detroit, Chicago, New York and other major U.S. cities ...

Officials say a drying trend starting this weekend is expected to cause the southern half of the province to "heat up again," ...

The amount of area burned by wildfires nationally this year is equivalent to a size bigger than the Greater Toronto Area (GTA ...

The Canadian government’s map of wildfire smoke fine particulate matter models for Aug. 2-3 shows smoke will intensify over ...

Smoke from Canadian wildfires hovered over the U.S. Midwest Saturday, prompting unhealthy‑air alerts across many states including Iowa, Minnesota and Wisconsin.