Year PM2.5 PM10 O3 NO2 BaP SO2
2000 86.8 95.5 25.8
2001 83.2 97 21
2002 80.8 99.7 22.5
2003 89.8 95 31.9
2004 77.5 99.7 19.2
2005 81.7 97.9 20.1
2006 96.9 84 99.8 16
2007 89.1 87.3 98.7 19.8
2008 85.3 78.1 98.3 11.3
2009 89.7 84.1 99.4 12.9
2010 89.8 83.9 98.9 9.6
2011 92.3 86.5 97 10.3
2012 89.9 72.5 97.8 7.5
2013 86.3 62.1 98 9.4
2014 86.5 50.3 95.9 8.1
2015 81.5 53.6 95.9 8.4
2016 74.6 42.1 98 7.1
2017 77.3 45 96.3 6.4
2018 73.5 48 99 3.5
2019 60.9 35.8 98.3 3.3