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U.S. - Canada Air Quality Agreement Progress Reports

Read reports that document the large reductions in sulfur dioxide and nitrogen oxide emissions that have been achieved from 1996 to 2014, along with the associated reductions in ecosystem acidification and improvement in air quality. View U.S.– Canada Air Quality Agreement for related information.

2020-2022 U.S.-Canada Progress Report (pdf) (2.2 MB, March, 2023)
2018 U.S.-Canada Progress Report (pdf) (7.77 MB, 2019)
2016 U.S.-Canada Progress Report (pdf) (4.97 MB, 2017)
2014 U.S.-Canada Progress Report (pdf) (3.75 MB, 2015)
2012 U.S.-Canada Progress Report (pdf) (9.69 MB, 2013)
2010 U.S.-Canada Progress Report (pdf) (3.4 MB, 2011)
2008 U.S.-Canada Progress Report (pdf) (4.57 MB, 2009)
2006 U.S.-Canada Progress Report (pdf) (2.65 MB, 2007)
2004 U.S.-Canada Progress Report (pdf) (2.04 MB, 2005)
2002 U.S.-Canada Progress Report (pdf) (5.73 MB, 2003)
2000 U.S.-Canada Progress Report (pdf) (1.95 MB, 2001)
1998 U.S.-Canada Progress Report (pdf) (1.12 MB, 1999)
1996 U.S.-Canada Progress Report (pdf) (69.64 KB, 1997)