Portland's Air Quality Drops to the Worst in the World

Parts of Oregon suffer through unhealthy or hazardous air quality due to wildfire smoke

Some of The Worst Air Quality in The USA Bend Oregon September 6th 2017

Hazardous air quality and the homeless

DEQ issues air quality advisory for 6 Oregon counties as wildfire smoke lingers

Wildfires creating air quality issues in Portland

Wildfire smoke leads to worsened air quality in Portland

Portland air quality among world's worst

Wildfire smoke causes record pollution in Oregon, wafts as far as Washington, D.C.

Wildfire smoke affects air quality in Oregon

Portland Has the Worst Air Quality on the Planet

Smoke in Portland, Western Oregon expected to clear at the end of the week

West Coast has some of worst air quality in the world amid wildfires

Portland, OR Has The Worst Air Quality In The World Today (wildfire smoke)

Portland ranks worst in air quality as wildfires rage

Bay Area air quality plummets due to NorCal and Oregon wildfires

"Unhealthy" Portland air leads to warning

Air quality at dangerous levels

News Update: Hottest day of heat wave arrives, Air quality concerns due to wildfire smoke

Smoky skies in Oregon: 'Close windows, use fans and filter'