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Wildfire smoke affects air quality in Oregon
Most of Oregon is under an air quality advisory because of wildfire smoke
Parts of Oregon suffer through unhealthy or hazardous air quality due to wildfire smoke
Wildfire smoke brings air quality impacts
DEQ issues air quality advisory for 6 Oregon counties as wildfire smoke lingers
Oregon wildfire smoke impacts a growing concern, DEQ says
Portland under air quality advisory from local, Canada wildfire smoke
Familiar haze: Wildfire smoke once again impacting Central Oregon’s air quality
Oregon air quality suffers from wildfires
Smoke from NorCal and Oregon wildfires chokes Bay Area
Portland's Air Quality Drops to the Worst in the World
Air quality from Oregon wildfires deemed a public health emergency
