Wildfires raging near the Grand Canyon's North Rim have prompted evacuations, air quality concerns and the closure of the ...

The Coconino County Sheriff's Office helped evacuate people from an area north of Jacob Lake and campers in the Kaibab ...

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian wildfires.

Much of the U.S. Upper Midwest on Saturday was dealing with swaths of unhealthy air due to drifting smoke from Canadian ...