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Pinedale Online > News > March 2011 > Ozone Advisory for Friday March 18, 2011

Ozone Calendar. Photo by Pinedale Online.
Ozone Calendar
Wyoming DEQ has issued 10 Ozone Advisories for the Upper Green River Basin since February 28, 2011. Actual ozone levels may or may not have exceeded standards on any of those days. DEQ only issues prediction advisories, which are made based on weather predictions the day before they believe conditions may be condusive to creating high ozone levels in a given area. They do not issue a notice or advisory in real time to the public or media when high ozone levels are actually occuring. To see monitor readings in real time, visit the DEQ WYVisNet website. Graphic by Pinedale Online.
Ozone Advisory for Friday March 18, 2011
In the Upper Green River Basin in Sublette County
by Wyoming Department of Environmental Quality
March 17, 2011

Upper Green River Basin, Wyoming - The Air Quality Division (AQD) of Wyoming’s Department of Environmental Quality (DEQ), in conjunction with the Wyoming Department of Health (WDH), is issuing an ozone advisory for Friday, March 18, 2011, for the Upper Green River Basin, in Sublette County.

Ozone is an air pollutant that can cause respiratory health effects especially to children, the elderly and people with existing respiratory conditions. People in these sensitive groups should limit strenuous or extended outdoor activities, especially in the afternoon and evening. More information on ozone and the health effects of ozone are available at the Wyoming Department of Health website,

An ozone advisory is issued when weather conditions appear to be favorable for the formation of ozone. Ozone appears to be elevated in the Basin when there is a presence of ozone-forming precursor emissions including oxides of nitrogen and volatile organic compounds coupled with strong temperature inversions, low winds, snow cover, and bright sunlight.

Current information on ozone levels at the Air Quality Division’s monitoring stations at Daniel, Pinedale, Boulder, Juel Spring and the Wyoming Range can be found at

Related Links
  • What kind of conditions contribute to an ozone advisory? - National Weather Service, March 16, 2011
  • Sublette County Commission responds to ozone concerns - March 16, 2011
  • EPA awards $32 million for research on impacts of air pollution on people’s health - March 8, 2011
  • Ozone readings hit 153PPB in Boulder March 1st - March 2, 2011
  • Ultra, Shell and QEP Energy implement ozone contingency plans - February 28, 2011
  • Screening Health Risk Assessment for Sublette County available - February 23, 2011
  • Pinedale Online > News > March 2011 > Ozone Advisory for Friday March 18, 2011

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