Alerts in Effect
Air Stagnation AdvisoryIssued at 05:03 Friday 04 December 2020
* WHAT...An extended period of stagnant air, with light winds
and little vertical mixing, is.
* WHERE...Portions of Central, East Central, North Central and
Northeast Washington and North and North Central Idaho.
* WHEN...Until 10 AM PST Tuesday.
* IMPACTS...Periods of air stagnation can lead to the buildup of
pollutants near the surface. This can be harmful to those
sensitive to air pollution including people with lung and
heart problems, people with diabetes, children, and the