08/04/2026
The Oregon Department of Environmental Quality, Lane Regional Air Protection Agency, Washington Southwest Clean Air Agency, issued an air quality advisory Tuesday, Aug. 4, 2026, due to smoke from multiple wildfires in Oregon and Washington for the following areas:
• Portland-Vancouver metro area (Clackamas, Multnomah, and Washington counties as well as Clark County in Washington)
• Baker County
• Benton County
• Columbia County
• Crook County
• Deschutes County
• eastern Douglas County
• Gilliam County
• Grant County
• Harney County
• Hood River County
• Jefferson County
• central and eastern Lane County
• Linn County
• Malheur County
• Marion County
• Morrow County
• Polk County
• Sherman County
• Umatilla County
• Union County
• Wallowa County
• Wasco County
• Wheeler County
• Yamhill County
The agencies expect the air quality advisory to last until further notice. DEQ and partner agencies will continue to monitor smoke.
DEQ and LRAPA expect intermittent smoke in Clatsop, Coos, Curry, western Douglas, Klamath, Lake, western Lane, Lincoln, and Tillamook counties.
SWCAA also issued an ozone air quality advisory starting at noon Tuesday, Aug. 4, through Thursday, Aug. 6, due to smog in the Vancouver metro area (Clark County).