The following Air Quality Trends in Northeast Ohio are available in pdf: Air Quality Trends in Northeast Ohio - 2010 Update (PowerPoint presented to January 8, 2010 Governing Board Air Quality Trends in Northeast Ohio - 2006 Update Air Quality Trends in Northeast Ohio - 2005 Update Air Quality Trends in Northeast Ohio - 2004 Update Air Quality Trends in Northeast Ohio - 2003 Update Air Quality Trends in Northeast Ohio - 2002 Update
