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

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

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

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

Some Team P.E.I. athletes are back on the Island after taking part in the Canada Games, where their competition was ...

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

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

While the smoke is worst along the Western Slope where the fires are burning, levels are also fluctuating on the Front Range.

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 ...