Air quality advisory again issued for much of Oregon

BEND, Ore. (AP) — Diminished air quality has returned to much Oregon because of wildfire smoke, reaching unhealthy levels in the central and southern parts of the state. The Oregonian/OregonLive reports the Oregon Department of Environmental Quality on Thursday expanded and extended an air quality advisory due to smoke from California and Oregon wildfires. The updated advisory covers central, south-central and southwest Oregon, as well as Harney County, through noon Saturday. The advisory says smoke likely would be thickest during nights and mornings.