Air quality alerts spanned at least 13 U.S. states on Tuesday, with sensitive groups urged to limit outdoor activity to avoid ...

The Mill Canyon Fire that started in American Fork Canyon on Monday is now 100% contained, according to the U.S. Forest ...

Under a Code Orange alert, it's recommended that children, older adults and those with respiratory illnesses limit time spent outdoors.

Wildfires in Siberia's Arctic zone cause emissions of carbon that previously was "trapped" in the permafrost, thus adding to the global warming, senior researcher at the Sukachev Institute of Forest E ...

Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast. Air ...

Having breathing trouble today? Canadian wildfire smoke is drifting across Ohio today, dropping the air quality in parts of ...

A statewide air quality advisory remains in place for Aug. 5. Officials say wildfire smoke may dissipate by mid-week. Check out the air quality map.

Canadian wildfire smoke is still lingering across Michigan, causing hazy skies. Another air quality advisory has been issued.

A wildfire that started in northwest Colorado on Saturday afternoon has now burned around 4,000 acres. Evacuations and closures have been put in place near two of the fires burning to the south of ...

Fires in California, Arizona, Utah and Nevada are growing fast in brutal heat. The Dragon Bravo Fire has topped 110,000 acres ...

Fire crews are attacking the edges of the 119-hectare MacLeod Creek wildfire — located seven kilometres north of Nakusp — but ...