Add Yahoo as a preferred source to see more of our stories on Google. PORTLAND, Ore. (KOIN) — Warmer temperatures and abundant sunshine continue to build across the Pacific Northwest this week, but ...

Add Yahoo as a preferred source to see more of our stories on Google. KOIN 6 Chief Meteorologist Josh Cozart explains why this week's temperature inversion is reducing Portland's air quality. The ...

PORTLAND, Ore. (KOIN) – The greater Portland region is under an air quality advisory through Tuesday night, according to the Oregon Department of Environmental Quality. The advisory will impact ...

After a strike against Iran was carried out by Israel and the United States on Saturday, demonstrations were held in Portland — with some groups in opposition to ...

PORTLAND, Ore. (KOIN) — Warmer temperatures and abundant sunshine continue to build across the Pacific Northwest this week, but sensitive groups should avoid extensive time outside. Air quality ...