DEQ adds Hood River County to air advisory for parts of Oregon [Aviso sobre la calidad del aire]  Date: Aug. 20, 2026.  QUICK FACTS:  DEQ has added Hood River county to the air advisory issued on Wednesday, Aug. 19, 2026.  Locations: Crook, Hood River, Jefferson, Wallowa, and southern Wasco counties.  End date: At least Friday afternoon, Aug. 21, 2026.  Smoke sources: Multiple wildfires in Oregon and Washington.  ** Versión en español estará disponible próximamente en oregonhumo.org **  The Oregon Department of Environmental Quality issued an air quality advisory Wednesday, Aug. 19, 2026, for Crook, Jefferson, Wallowa, and southern Wasco counties due to smoke from multiple fires in Oregon and Washington.  DEQ expects the air quality advisory to last until at least Friday, Aug. 21, 2026. DEQ and partner agencies will continue to monitor smoke in the area.