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U.S. Department of the Interior
National Park Service
Access to Gaseous Pollutant and Meteorological Data
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Annual Data Summary Reports
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The Air Resources Division reports the ozone and meteorological data annually for the Gaseous Pollutant Monitoring Network and parks with state operated ozone monitoring. Reports in PDF format from 2003 through 2015 are available here.

Annual Data Summaries

2015   MapsTables
2014   MapsTables
2013   MapsTables
2012   MapsTables
2011
2010
2009
2008
2007
2006
2005
2004
2003
Quality Assurance Reports

2015
2014
2013
2012
2011
2010
2009
2008