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ECY: Air Quality Better, Expected to Get Worse

Smoke drifted west over the Cascades on Sunday but did not settle toward the ground. That is forecast to be true for most of western Washington today, too, but there could be some smoke impacting the western foothills of the Cascades by Tuesday. 

The National Weather Service has issued a stagnant weather advisory to last through at least 5 p.m. on Wednesday for the following areas: Lewiston/Clarkston, lower Garfield and Asotin counties, the Wenatchee area, the Waterville Plateau, and the Kittitas and Yakima valleys. This includes the cities of Lewiston, Clarkston, Wenatchee, Chelan, Entiat, Cashmere, Waterville, Mansfield, Ellensburg, Thorp, Naches, Sunnyside, Toppenish and Yakima.

The worst air quality will be in the late night and morning hours because the smoke gets trapped near the ground during morning temperature inversions.

In some areas the air inversion and stagnant air will lead to hazardous air quality that could lead to aggravated respiratory problems, illness and even death for sensitive people.

Conditions will vary all over the state over the next few days depending on wildfires, wind and terrain. When smoke hangs in the air, residents are advised to take common sense health precautions, consider advisories and alerts from their local health departments and consult with their personal physicians. Schools and athletic directors should consult with their local health authorities or medical personnel to determine when to curtail outdoor activities.

For more information:

National Weather Service Spokane warnings and watches: http://www.wrh.noaa.gov/otx/

More information about the health effects of wildfire smoke, available from the Washington Department of Health at: http://www.doh.wa.gov/CommunityandEnvironment/AirQuality/OutdoorAir/SmokeFromFires.aspx.

Ecology Air Quality Monitoring Network Map: https://fortress.wa.gov/ecy/enviwa/Default.ltr.aspx

Click on the dots and you can then click on View more information to find out the latest hourly values, even if the dot is gray. We apologize if this link doesn’t work correctly. We are having problems with this link because of the heavy demand. An alternative site is http://airgraphing.pscleanair.org.

Related to above: For definitions of Washington Air Quality Advisory (WAQA) designations: https://fortress.wa.gov/ecy/publications/publications/0802022.pdf

The Governor’s office issued a burn ban for all of eastern Washington: 
http://www.governor.wa.gov/news/news-view.asp?pressRelease=1966&newsType=1

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