QUICK FACTS Location : Crook, Deschutes, Jefferson, eastern Marion, and southern Wasco counties. Advisory end date: Wednesday, Sept. 2, 2026, in the afternoon for all counties except Deschutes . Deschutes county will transition to an intermittent smoke advisory the evening of Tuesday, Sept. 1, 2026. Smoke sources: Multiple wildfires in Oregon ** Información en español** The Oregon Department of Environmental Quality issued an air quality advisory on Monday, Aug. 31, 2026, for Crook, Deschutes, Jefferson, eastern Marion and southern Wasco counties. DEQ expects the air quality advisory to last until at least Wednesday, Sept. 2, 2026, in the afternoon for all listed counties except Deschutes county . Deschutes county will transition to an intermittent smoke advisory the evening of Tuesday, Sept. 1, 2026. DEQ and partner agencies will continue to monitor smoke in these areas. DEQ expects intermittent smoke in Baker and eastern Clackamas counties between Monday, Aug. 3...