Portland is under an Air Stagnation Advisory with light winds and potential air quality issues until Sunday morning.

Millions of people across the Pacific Northwest were warned of the potential impacts of poor air quality through the weekend.

PORTLAND, Ore. (KOIN) — Portland’s air quality is currently comparable to Los Angeles, despite the ongoing wildfires in Southern California. As of Wednesday morning, Portland has a moderate air ...

PORTLAND, Ore. (KOIN) — Smoke and rain have returned to parts of Portland as the Camp Creek Wildfire continues to burn. Accumulating rain is a welcomed sight, but showers have helped push winds and ...

An air quality advisory has been issued in the Salem and Portland-Vancouver metro areas due to elevated levels of ozone pollution or smog, according to the Oregon Department of Environmental Quality.