Oregon Under an Air Stagnation Advisory Until Early Wednesday Evening

Oregon under an air stagnation advisory until early Wednesday evening

On Sunday at 12:30 p.m. an air stagnation advisory was released by the National Weather Service valid from 4 p.m. until Wednesday 4 p.m. for Central Douglas County, Eastern Curry County and Josephine County, Eastern Douglas County Foothills, Klamath Basin, Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County as well as Jackson County.The weather service states to prepare for, "Poor air quality will deve…

Poor Air Quality Expected as Air Stagnation Advisory Takes Effect in Southern Oregon

MEDFORD, Ore. (Dec. 28, 2025) — The National Weather Service has issued an Air Stagnation Advisory for several valley areas in southern Oregon, warning that poor air quality is expected to develop later today and persist through Wednesday afternoon. The advisory is in effect from 4 p.m. this afternoon until 4 p.m. Wednesday. Forecasters say a temperature inversion combined with stagnant air conditions near the surface will trap pollutants, leadi…