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Air Stagnation Advisory issued January 25 at 9:43AM MST until January 31 at 5:00AM MST by NWS Missoula MT

StormPrep

* WHAT…Stagnation conditions will trap pollutants, leading to
deteriorating air quality.

* WHERE…Eastern Lemhi County.

* WHEN…From 5 PM this afternoon to 5 AM MST Friday.

* IMPACTS…Periods of air stagnation can lead to the build up of
pollutants near the surface.

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