Oregon DEQ Issues Air Quality Advisory as Prineville Reaches Hazardous Levels
State environmental officials have issued an air quality advisory for Central Oregon due to smoke from multiple wildfires in Oregon and Washington. The advisory, issued by the Oregon Department of Environmental Quality, affects Deschutes, Crook, and Jefferson counties, as well as the Portland metropolitan area. On Wednesday, Prineville experienced hazardous air quality with an Air Quality Index (AQI) peaking at 670, far exceeding the hazardous threshold of 301. The National Weather Service warns that wildfire smoke, combined with current weather conditions, will continue to produce unhealthy air quality. Residents are advised to limit outdoor activities, especially those with heart or lung conditions.