Year | PM2.5 | PM10 | O3 | NO2 |
---|---|---|---|---|
2000 | 31.6 | 17.9 | 25.9 | |
2001 | 30.1 | 30.5 | 22.3 | |
2002 | 31.8 | 20.7 | 23.1 | |
2003 | 43.1 | 54.9 | 31 | |
2004 | 30.4 | 19.4 | 20.6 | |
2005 | 33.2 | 22.7 | 21.4 | |
2006 | 16 | 38 | 45.5 | 18.2 |
2007 | 10.5 | 31.8 | 21.8 | 20.7 |
2008 | 10.4 | 24.7 | 15.3 | 12.3 |
2009 | 8.6 | 24.9 | 16.1 | 14.3 |
2010 | 11.2 | 25.2 | 17.4 | 11.7 |
2011 | 13.1 | 30 | 16.1 | 11.8 |
2012 | 11.1 | 21.6 | 15.5 | 8.8 |
2013 | 8.2 | 20 | 16.2 | 8.9 |
2014 | 7.5 | 16.1 | 7.4 | 7.2 |
2015 | 7.1 | 18.7 | 29.5 | 8.7 |