AIR QUALITY ALERT
Warning Issue Date: 428 PM MST MON DEC 28 2009
A STAGNATION WARNING HAS BEEN ISSUED BY THE MONTANA DEPARTMENT OF
ENVIRONMENTAL QUALITY...
MDEQ HAS ISSUED A STAGNATION WARNING FOR MISSOULA AND SILVER BOW
COUNTIES OF WESTERN MONTANA INCLUDING THE CITIES OF SEELEY LAKE
AND BUTTE. A STAGNATION WARNING MEANS DISPERSION CONDITIONS ARE POOR
AND NOT EXPECTED TO IMPROVE MUCH AND THAT PARTICULATE LEVELS HAVE
BEEN TRENDING UP. EXCEEDANCE OF THE NAAQS HAS ALREADY OCCURRED OR
WILL OCCUR.
DUE TO AN INCREASE IN PARTICULATE LEVELS...THE AIR QUALITY HAS OR
WILL BECOME UNHEALTHY IN THE VICINITY OF SEELEY LAKE IN NORTHERN
MISSOULA COUNTY AND BUTTE IN SILVER BOW COUNTY.
THOSE INDIVIDUALS WHO ARE SENSITIVE TO INCREASED PARTICULATE OR
SMOKE LEVELS ARE ENCOURAGED TO AVOID PROLONGED OR STRENUOUS
OUTDOOR ACTIVITY. ALL OTHERS SHOULD LIMIT PROLONGED OR STRENUOUS
OUTDOOR ACTIVITY. YOUR COOPERATION IS APPRECIATED.
ANOTHER STATEMENT WILL BE ISSUED ABOUT 4 PM MST MONDAY...DECEMBER 28
UNLESS CONDITIONS IMPROVE AND THE WARNING IS NO LONGER NEEDED.
PLEASE VISIT THE DEPARTMENTS WEBSITE AT.../USE LOWER CASE/...
HTTP://SVC.MT.GOV/DEQ/AQREPORT/MOSTRECENTUPDATE.ASPX FOR MORE
INFORMATION.
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