Air Stagnation Advisory issued December 31 at 1:30PM MST until January 3 at 8:00AM MST by NWS Boise ID
Issue date: 2025-12-31T20:30+00:00
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest Idaho and southeast Oregon. * WHEN...Until 8 AM MST /7 AM PST/ Saturday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
