Another air stagnation advisory issued for Baker & Malheur Counties

BAKER & MALHEUR COUNTIES – A heads up for Baker and Malheur County residents; the National Weather Service has issued another multi-day air stagnation advisory for the region. Portions of both counties, as well as the Treasure Valley and Western Magic Valley areas will be impacted through (as of time of writing) 4:00 a.m. Monday, February 9 Pacific Time (5:00 a.m. mountain time). 

Residents should expect stagnant air, little to no winds, and a buildup of pollutants near the surface due to limited air circulation. The full advisory, as issued by the NWS, is as follows:

IDZ012-014-016-033-ORZ062>064-042200-

/O.CON.KBOI.AS.Y.0002.000000T0000Z-260209T1200Z/

Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley-

Upper Weiser River-Baker County-Malheur County-Oregon Lower

Treasure Valley-

Including the cities of Goodrich, Twin Falls, Malheur City,

Caldwell, Nampa, Baker, Council, Indian Valley, Fruitvale,

Ontario, Mesa, Nyssa, Cambridge, Boise, and Glendale

204 PM MST Tue Feb 3 2026 /104 PM PST Tue Feb 3 2026/

…AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM

PST/ MONDAY…

* 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 south central and southwest Idaho and

  northeast and southeast Oregon.

* WHEN…Until 5 AM MST /4 AM PST/ Monday.

* IMPACTS…Poor air quality may cause issues for people with

  respiratory problems.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Persons with respiratory illness should follow their physicians

advice for dealing with high levels of air pollution during periods

of stagnant air.

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Elkhorn Media Group