Year EEA-33 SOX EEA-33 SOX index EEA-33 NOX EEA-33 NOX index EEA-33 NH3 EEA-33 NH3 index EU-28 SOX EU-28 SOX index EU-28 SOX index NECD '10 Target Path EU-28 SOX index NECD '10 Target EU-28 SOX index Gothenburg '20 Target Path EU-28 SOX index Gothenburg '20 Target EU-28 NOX EU-28 NOX index EU-27 NOX index NECD '10 Target Path EU-27 NOX index NECD '10 Target EU-28 NOX index Gothenburg '20 Target Path EU-28 NOX index Gothenburg '20 Target EU-28 NH3 EU-28 NH3 index EU-27 NH3 index NECD '10 Target Path EU-27 NH3 index NECD '10 Target EU-28 NH3 index Gothenburg '20 Target Path EU-28 NH3 index Gothenburg '20 Target
1990 27.7 100 18.3 100 5.7 100 25.6 100 17.3 100 5.1 100
1991 25.3 91.2 17.8 97.5 5.4 95.2 23.3 91.1 16.9 97.4 4.8 94.9
1992 23.4 84.2 17.3 94.9 5.2 91.7 21.4 83.5 16.4 94.6 4.6 90.7
1993 22 79.4 16.7 91.7 5 88.2 20.2 78.8 15.7 90.8 4.4 86.6
1994 20.6 74.3 16.1 88 4.9 86.4 18.7 73.1 15.1 86.9 4.3 85.2
1995 18.7 67.5 15.8 86.5 4.8 84.2 16.7 65.5 14.7 85 4.2 83.1
1996 17.6 63.6 15.6 85.5 4.8 84.4 15.5 60.7 14.5 83.6 4.2 83
1997 16.6 59.8 15.1 82.8 4.8 84.2 14.5 56.6 14 80.8 4.2 82.9
1998 15.2 54.7 14.7 80.6 4.8 84.3 12.8 50.1 13.6 78.3 4.2 82.6
1999 13.5 48.6 14.3 78 4.8 84 11.2 43.8 13.1 75.6 4.2 82.2
2000 12.5 45.1 13.9 75.9 4.6 81.6 10.1 39.4 12.7 73.1 4.1 80
2001 11.8 42.4 13.5 73.9 4.5 79.9 9.6 37.6 12.3 71.2 4 78.7
2002 11.1 40.2 13.2 72.4 4.5 79.1 9.1 35.6 12.1 69.9 4 77.9
2003 10.8 38.8 13.2 72.2 4.5 79 8.8 34.4 12.1 69.5 3.9 77.4
2004 10.2 36.9 13 71.3 4.5 78.5 8.3 32.3 11.9 68.4 3.9 76.6
2005 10 36.2 12.8 70.2 4.4 78.2 7.8 30.7 30.7 11.6 67 67 3.9 75.9 75.9
2006 9.9 35.9 12.6 68.8 4.5 78.5 7.6 29.7 29.5 11.3 65.4 65.2 3.9 75.9 75.6
2007 10 36 12.3 67.4 4.4 78.1 7.2 28.3 28.3 11 63.2 63.3 3.9 75.8 75.3
2008 8.3 30.1 11.4 62.6 4.3 75.9 5.7 22.2 27 10.2 58.6 61.4 3.8 74 75
2009 7.6 27.6 10.5 57.7 4.3 75.5 4.9 19.1 25.8 9.3 53.6 59.5 3.7 73.4 74.7
2010 7.2 26.1 10.4 56.8 4.2 74.6 4.6 17.9 32.7 32.7 24.6 9.2 52.8 52.4 52.4 57.6 3.7 72.1 85.2 85.2 74.4
2011 7.3 26.5 10.2 56 4.3 75.2 4.6 17.9 32.7 23.4 8.8 51 52.4 55.7 3.7 72.3 85.2 74.1
2012 32.7 22.2 52.4 53.8 85.2 73.8
2013 32.7 21 52.4 52 85.2 73.5
2014 32.7 19.8 52.4 50.1 85.2 73.2
2015 32.7 18.6 52.4 48.2 85.2 72.9
2016 32.7 17.4 52.4 46.3 85.2 72.6
2017 32.7 16.2 52.4 44.4 85.2 72.3
2018 32.7 15 52.4 42.5 85.2 72
2019 32.7 13.8 52.4 40.6 85.2 71.7
2020 32.7 12.5 12.5 52.4 38.8 38.8 85.2 71.4 71.4