air quality

Smoke is still making people sick in Finley, Washington. A fire at a massive warehouse there has been smoldering for seven weeks.

A month in and the largest warehouse fire in the Tri-Cities is still smoldering, kicking up plumes of potentially toxic smoke.

Even with smoke, you can breathe easier. Scientists at Pacific Northwest National Laboratory have practical tips to keep the air clean inside homes despite the smoke in Northwest skies.

The Environmental Protection Agency set new clean-air standards four years ago for wood stove and hydronic heater manufacturers.These manufacturers were…

Fires across the region have blanketed the Northwest in smoke. Blazes in California and British Columbia are also adding to the thick, reddish-gray haze.…

A summer filled with wildfires means air conditions in the Northwest are going from bad to worse. Fires from British Columbia and around Washington state…

Our staff checks in from around the Northwest with tales of hazy days and record-breaking heat.

Smoke from wildfires is creating poor breathing conditions in parts of the Northwest.The Oregon Department of Environmental Quality says the air has…