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Department of Ecology Press Release - November 23, 2005
05-287
OLYMPIA - A forecast of improved air circulation coupled with lower than expected pollutant levels will allow the state Department of Ecology (Ecology) to lift its air quality advisory for Western Washington Thursday morning and Eastern Washington Friday morning. Ecology issued a statewide air advisory last week because stagnant air conditions were trapping smoke particles in low-lying areas. Although weather conditions are improving, Ecology officials say stagnant air is an ever-present danger during wintertime. "We want to thank the people of the state for their cooperation during this stagnant air episode," said Ecology meteorologist Clint Bowman. "By keeping burning to a minimum, we were able to keep pollutant levels as low as possible and minimize harm to sensitive populations."
Historically, stagnant air occurs in the Northwest from about mid-November to mid-March when warm high-pressure ridges stall over the area, trapping a layer of cold air beneath a layer of warm air.
"We'll continue to monitor the situation throughout the season," said Ecology meteorologist Dick Stender. "Meanwhile, people should do all they can to get ready for the next stagnant air episode. That means replacing older wood stoves with certified stoves or cleaner fuels, getting cars tuned and keeping tires inflated."
To find out whether it's okay to use your wood stove or fireplace, call your local clean-air agency. A good rule is that if it is windy or rainy outside, it's probably okay to burn. If the air is very foggy or still, air quality may be poor and burning is not a good idea.
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Contact: Glenn Kuper, Public Information Manager, 360-407-6848
Copyright © Washington State Department of Ecology. See http://www.ecy.wa.gov/copyright.html.
