La PINE, Ore. (KTVZ) -- Nearly 240 acres of prescribed burning were taking place Thursday on the Deschutes National Forest northeast of La Pine, putting up a smoke plume visible over a wide area.

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

EL PASO COUNTY, Colo. (KOAA) — People in Teller and El Paso Counties have an increased chance of seeing smoke Friday from the Rampart Reservoir area. The Pikes Peak Ranger District is conducting ...

Wildfire smoke from Canada is expected to move over the U.S., impacting air quality for millions of people on Friday and this weekend. Maps and satellite ... Forest Fire Center, forcing thousands ...

Wildfire smoke from Canada is expected to move over the U.S., impacting air quality for millions of people on Friday and this weekend. Maps and satellite ... Forest Fire Center, forcing thousands ...

Then the fire is able to propagate and get hot enough ... “Once you get six hours to a day or so downwind, the ozone formation inside smoke plumes can start being problematic,” said Rebecca ...

North Dakota’s summer evenings usually smell of cut hay. On June 11, the scent was more like a campfire you couldn’t outrun.

As dozens of wildfires continue to burn across Canada, flames are sending far-reaching plumes ... the smoke is not expected to be as thick as it’s been in recent days. Prime fire season in ...