« View county listAir Stagnation Advisory
Central Willamette Valley-
Including the cities of Salem, McMinnville, Woodburn, Stayton,
358 PM PST Tue Dec 12 2017
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST
* AIR QUALITY...Air quality may deteriorate due to an extended
period of stagnant air conditions.
* TIMING...through Thursday afternoon.
* LOCATIONS...Central Willamette Valley.
* IMPACTS...Limited ventilation may result in deteriorating air
quality continuing this week.
An Air Stagnation Advisory indicates that due to limited movement
of an air mass across the advisory area, pollution will increase
to dangerous levels. Persons with respiratory illness should
follow their physicians advice for dealing with high levels of