Column ozone levels over Melbourne, January 1979–2015
OzoneOzone, 5-year running mean
1978
1979281.677
1980288.947
1981283.477285.112
1982284.842286.456
1983285.805
1984288.395284.403
1985285.691282.428
1986276.466280.664
1987274.968280.818
1988277.797278.877
1989289.166277.832
1990275.989278.939
1991271.24276.932
1992280.502273.885
1993267.764274.98
1994273.93276.004
1995281.466273.194
1996276.36274.436
1997266.453273.457
1998273.973272.076
1999269.032270.413
2000274.562272.905
2001268.046273.406
2002278.911275.474
2003276.481275.675
2004279.37275.402
2005275.567273.405
2006266.681272.246
2007268.925269.08
2008270.689268.094
2009263.536269.284
2010270.64270.96
2011272.633274.079
2012277.3276.836
2013286.286
2014277.32
2015283.218