Like much of the U.S., Chicago was under a thick hazy blanket of wildfire smoke, creating dangerous conditions for anyone who ...

As the U.S. sees more drought and forest fires, unmasked firefighters often work almost year-round. They're getting sick and ...

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

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

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

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

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

In letters expressing outrage and indignation, Republican lawmakers are demanding more forest thinning, prescribed burns and ...

Prepare for a hot week ahead. Today will bring highs from the upper 90s to triple-digit heat expected. Here's what you need ...

Visibility in the Denver metro was limited on Wednesday, and many people could smell smoke from the wildfires burning in the ...

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