Normally, America's smokiest cities lie out west. But Canada's unusually intense 2023 wildfire season smothered American cities in smoke farther east than is usual, according to new research to be ...

PORTLAND, Ore. (KATU) — Researchers from the University of Washington say the top three smokiest cities in the country are all in Oregon. This was first reported by Oregon Public Broadcasting.

Joni Auden Land / OPB Over the past five years, more than 36 million acres of land have burned in wildfires across the United States. But the impacts of those wildfires reached far beyond the ...