Air Stagnation Advisory

Locations Affected

Pocatello, ID ∙ Ridgedale, ID ∙ Franklin, ID ∙ Fort Hall, ID ∙ Gwenford, ID ∙ Weston, ID ∙ Arbon Valley, ID ∙ Riverside, ID ∙ Basalt, ID ∙ Buist, ID

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 1236 PM MST Sun Jan 18 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY... * WHAT...Stagnant conditions will persist due to little vertical mixing and light winds. Degraded air quality is expected through the early part of this week as pollutants remained trapped near the surface. * WHERE...Franklin/Eastern Oneida Region and Lower Snake River Plain. * WHEN...Until noon MST Tuesday. * IMPACTS...Periods of air stagnation have led to the buildup of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... If possible, reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and the use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Check with local agencies for possible restrictions in your area.

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