Wildfires in Canada, the United States and Mexico often send smoke throughout the continent. Follow our latest coverage here.

There are dozens of fires burning across Oregon, many of which were sparked by lightning between July 15 and July 18. Here's ...

Four wildfires burning across Southeast Washington remain completely uncontained as of Friday morning, with combined acreage ...

Tiny particles in the air can cause a range of short-term and chronic health issues, experts say. Wildfire smoke can settle ...

Jersey Village City Council members decided against billing residents directly for trash and recycling services, discussed ...

The Grand County Sheriff’s Office has placed Zone K16 from mile post 9 to 16 on Trough Road back on pre-evacuation status.

Evacuation levels for the Lower Dry Creek Fire in Umatilla County have been downgraded after the fire first began and sparked Level 3 “Go Now” evacuations earlier on Wednesday.

Wildfire smoke​ from Canada and Minnesota is causing hazardous air quality​ in the Philadelphia region and has prompted warnings from health officials.

A wildfire burning in Gilliam County broke containment on Thursday, continuing to spread to the northeast, authorities said.

The U.S. Environmental Protection Agency has issued an air quality advisory for the entire state of Ohio on Thursday, July 16 ...