Overview
- The National Weather Service updated its air stagnation advisory for the Willamette Valley and nearby lowlands in Oregon, keeping it in effect until Friday at 4 p.m.
- A new air quality alert was posted Thursday for Deschutes County, with Oregon DEQ maintaining an advisory through Saturday at noon as stagnant conditions trap smoke and other pollutants.
- In Idaho, NWS offices in Boise and Pocatello continue air stagnation advisories for numerous communities, with end times varying by location through Friday afternoon or into Monday morning.
- Arizona DEQ issued a Tucson-area alert for blowing dust on Wednesday, warning that gusty winds could raise PM-10 levels that pose health risks.
- AirNow forecasts air quality peaking at moderate levels, and agencies recommend staying indoors if sensitive, reducing wood burning, and following local burn restrictions and updates.