Air Stagnation Advisory issued November 30 at 1:38PM MST until December 6 at 9:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that may trap air pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho, and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Air Stagnation Advisory issued November 29 at 1:11PM MST until December 6 at 9:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...The advisory continues through the long-term forecast, and may be extended if conditions continue.
Air Stagnation Advisory issued November 28 at 2:15PM MST until December 5 at 9:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that could trap pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 9 PM MST /8 PM PST/ this evening to 9 PM MST /8 PM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...The advisory continues through the long-term forecast, and may be extended if conditions continue.