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Pinedale Online > News > March 2011 > Ozone Advisory for Tuesday March 15, 2011

2011 Ozone Advisories. Photo by Pinedale Online.
2011 Ozone Advisories
DEQ Ozone Advisories between January and March 15, 2011. Pinedale Online graphic.

Sublette Ozone 2005-2010. Photo by EPA.
Sublette Ozone 2005-2010
(Editor's Note 3/24/11: This graphic has been replaced. The graphic in our original story had an incorrect graphic for the 2008 year data. We have corrected this graphic with the correct 2008 plot. We apologize for the error.) Source: Individual data charts compiled by Pinedale Online into a composite display for Sublette County.
Ozone Advisory for Tuesday March 15, 2011
In the Upper Green River Basin in Sublette County
by Wyoming Department of Environmental Quality
Original post March 14, 2011 | Modified 3/24/11

Editor's Update 3/24/11: We have modifed this story to replace the EPA AQI data graphic which had an incorrect chart for 2008. The graphics accompanying this story were added by Pinedale Online and were not a part of the original DEQ media release. We apologize for the error. - Dawn Ballou, Editor, Pinedale Online!
Original DEQ media release 3/14/11:

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 Tuesday, March 15, 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

Pinedale Online > News > March 2011 > Ozone Advisory for Tuesday March 15, 2011

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