Tens of thousands of people who fight wildfires spend weeks working in toxic smoke and ash wearing only a cloth bandanna, or ...

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

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

While relief from the heat in the form of cool, Pacific breezes are on the way to Western Washington, the near-record hot ...

Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

Researchers found that wildfire smoke can raise ozone to dangerous levels, posing hidden health risks even in remote areas.

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

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

Canada's second-worst wildfire season on record has already burned 7.8 million hectares and could continue for weeks, federal ...

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

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