Foothills of the Southern Blue Mountains of Oregon Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Air Stagnation Advisory
Issued: 4:32 PM PST Nov. 20, 2018 – National Weather Service

... Air stagnation advisory remains in effect until 1 PM PST
Wednesday...

* air quality... strong inversions near the surface and stagnant
air conditions continue to trap pollutants.

* Timing... poor air quality until at least Wednesday mid day.

* Impacts... poor air quality may cause issues for people with
respiratory problems.

Precautionary/preparedness actions...

An air stagnation advisory indicates that due to limited movement
of an air mass across the advisory area... pollution has the
potential to increase to unhealthy levels. Persons with
respiratory illness should follow their physicians advice for
dealing with high levels of air pollution.

State air quality agencies highly recommend that no outdoor
burning occur and that residential wood burning devices be
limited as much as possible. According to state air quality
agencies... prolonged periods of stagnant air can hold pollutants
close to the ground... where people live and breathe. Check with
your local burn agency for any current restrictions in your area.





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