Wildfire smoke is impacting air quality in central western Oregon, but the hazy skies and poor air quality in Portland is due primarily to smog.
PORTLAND, Ore. — The ongoing heat wave is negatively impacting air quality in Portland and Southwest Washington, according to state officials, causing a buildup of ozone pollution and hazy skies throughout the region.
The Oregon Department of Environmental Quality and Washington’s Southwest Clean Air Agency issued a joint Air Quality Advisory Tuesday morning, warning that the air quality index is expected to rise to the “unhealthy for sensitive groups” range in parts of the region, with the elevated smog levels expected
→ Continue reading at KGW TV