The hazy air hovering over US cities, including Chicago and New York, this summer is reminding Americans of just how ...

Firefighters are tackling a major moorland wildfire for a sixth day, with smoke from the blaze visible up to 80 miles (128km) ...

The smoke from the wildfires that burned through Los Angeles in January smelled like plastic and was so thick that it hid the ...

The U.S. Forest Service has fought decades of efforts to better protect its crews — sending them into smoke without masks or ...

Smoke from Canadian wildfires has blanketed Michigan this summer, with 31 days of warnings for parts of Michigan..

Several rounds of wildfire smoke have been moving into Denver, Boulder, Fort Collins and communities up and down the I-25 ...

Firefighters were concerned Sunday about the possibility of fire spreading under trees and a warming forecast later in the ...

State officials are encouraging Michiganders who own their own air quality sensors to contribute their readings to ongoing ...

Maine has seen more wildfire smoke in recent years, and the culprit is climate change. MAINE, USA — Wildfire smoke has been ...

Researchers are now assessing the mortality impacts of wildfire smoke, as it contains pollutants like PM2.5 that have been ...

Billowing clouds of Canadian wildfire smoke have transformed blue skies into apocalyptic orange scenes across the eastern United States. But the fuzzy skylines are more than just a bleak sight.