Air quality is expected to be moderate for most of the Puget Sound region on Thursday and unhealthy for sensitive groups in east Pierce County.
SEATTLE — Western Washington could see hazy skies through the weekend as wildfire smoke drifts in from Canada and eastern Washington.
Air quality will moderate Wednesday along the Interstate 5 corridor and Cascade foothills. Most areas of western Washington are expected to be moderate on Thursday with eastern Pierce County deteriorating to unhealthy for sensitive groups.
Onshore flow weakens Wednesday, allowing smoke from fires burning near Yakima to filter into the south Sound. Smoke from fires burning in British
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