The Oregon Department of Environmental Quality extended its air quality advisory on Wednesday, July 22, 2026, for a broad stretch of eastern and central Oregon, keeping health warnings active through at least Friday afternoon, July 24 — today. The advisory, which has now been extended three times since its original Monday end date, covers Baker, Crook, Deschutes, northern Harney, Grant, Jefferson, northern Malheur, Morrow, Union, southern Umatilla, and Wheeler counties due to smoke from multiple wildfires burning across southern, central, and eastern Oregon.
The DEQ also identified intermittent smoke conditions in adjacent areas including Clackamas, eastern Douglas, northern Jackson, Klamath, Lake, and Wallowa counties through Friday afternoon. Separately, the DEQ issued an ozone smog advisory earlier this week for the Portland metro area, Salem, Hermiston, and Ontario, running through Wednesday evening.