An air quality advisory has been issued for the northern half of Wisconsin as Canadian wildfire smoke has mixed down the the ...

Smoke has made its way back into the northern tier of the U.S., prompting air quality alerts in North Dakota, Minnesota and ...

Officials say hazy sunshine through low-level Canadian wildfire smoke, high temperatures and light southwest winds will ...

A wildfire in Oregon prompted officials to issue evacuation orders for hundreds of homes and to close nearly 20 miles (32 kilometers) of an interstate in the Columbia River Gorge on Wednesday.

An out-of-control wildfire threatening neighbourhoods in Squamish, B.C., has quadrupled in size as wildfire crews and local ...