Summer smoke from Canadian wildfires is once again hazing out Minnesota skies — just in time for your long-awaited Northwoods ...

Firefighters in Spain and Portugal are battling wildfires ahead of an expected rise in temperatures that could worsen the ...

Canadian wildfire smoke is drifiting across Michigan. As of July 31, the entire state is under an advisory for unhealthy air.

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.

An air quality alert will be in effect across the entire state until 5 p.m. Aug. 2, according to the Minnesota Pollution ...

In recent years, I have all too often found myself passing over an active wildfire when flying from London to my family home ...

Firefighters are battling wildfires in at least two national parks. The Dragon Bravo Fire is burning at the North Rim of the ...

Thousands of firefighters across Spain and Portugal are battling an ongoing wave of wildfires, some of which have been ...

Video. Portugal is battling multiple wildfires in its northern and central regions, as high temperatures and strong winds ...

Much of Spain and Portugal is under a high risk of wildfires and temperatures are expected to rise over the weekend. Spain’s ...

Millions of people were asked to reschedule events or move them indoors on Thursday amid "very unhealthy" air quality.

Canada's Cenovus Energy said on Thursday that recently completed maintenance work will improve future results from its U.S.