United States Active Warning and Alerts Center

AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY

Bannock County, ID Bingham County, ID Power County, ID Franklin County, ID Oneida County, ID

* WHAT...Poor air quality will develop Wednesday and continue
through the weekend. This is due to an inversion and stagnant air
conditions near the surface that will continue to trap pollutants.

* WHERE...Franklin/Eastern Oneida Region and Lower Snake River Plain.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Periods of air stagnation can lead 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.

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

Canyon County, ID Gem County, ID Owyhee County, ID Payette County, ID Washington County, ID Ada County, ID Elmore County, ID Gooding County, ID Jerome County, ID Twin Falls County, ID Adams County, ID Baker County, OR Malheur County, OR

* 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.

AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST FRIDAY

Columbia County, OR Marion County, OR Clackamas County, OR Benton County, OR Linn County, OR Lane County, OR Cowlitz County, WA Clark County, WA

* WHAT...Light winds and limited air movement will lead to a period
of stagnant air conditions.

* WHERE...South Willamette Valley, Foothills of the Northern and
Central Oregon Cascades, Lower Columbia River and Cowlitz River
Valleys, East Central Willamette Valley, and North Clark County
Lowlands.

* WHEN...Until 4 PM PST Friday.

* IMPACTS...Deteriorating air quality may cause issues for people
with respiratory problems.

...PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

People with respiratory illness should follow their physician's
advice for dealing with high levels of air pollution during periods
of stagnant air, especially if an Air Quality Alert is in effect for
your area. To see if an Air Quality Alert is in effect for your
area, go to www.weather.gov/pqr and left-click your location on the
homepage map display. Alternatively, you could also type your
location into the search bar found on the top-left hand side of the
homepage. From there, you will see an Air Quality Alert listed at
the top if one is in effect for your location; you can click the
alert to read more details if applicable.