Lower Hells Canyon/Salmon River Region Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Air Stagnation Advisory
Issued: 10:48 AM MST Dec. 11, 2017 – National Weather Service

... Air stagnation advisory now in effect until 10 am PST /11 am
MST/ Friday...

* air quality... pollutants may increase this week. Regional air
quality sensors range from good to moderate. However, light
winds and a strong inversion will increase the potential for the
build up of air pollution and deteriorating air quality.

* Impacts... persons with respiratory issues should follow the
advice of their physician on how to deal with poor air
quality. Outdoor burning may be limited, so please consult
with your local burn agencies for updated burn restrictions.

Precautionary/preparedness actions...

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

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