Year | PM2.5 | PM10 | O3 | NO2 |
---|---|---|---|---|
2000 | 30.5 | 17.7 | 21.4 | |
2001 | 27.9 | 30.0 | 18.4 | |
2002 | 29.1 | 19.2 | 20.9 | |
2003 | 41.3 | 58.2 | 27.2 | |
2004 | 25.5 | 20.2 | 19.7 | |
2005 | 32.8 | 23.6 | 20.3 | |
2006 | 13.4 | 38.2 | 45.2 | 17.7 |
2007 | 4.2 | 28.4 | 21.0 | 19.4 |
2008 | 7.5 | 22.9 | 15.4 | 11.8 |
2009 | 7.4 | 23.9 | 15.0 | 14.9 |
2010 | 9.6 | 24.9 | 16.7 | 13.1 |
2011 | 13.9 | 30.2 | 14.7 | 11.9 |
2012 | 11.0 | 21.5 | 14.2 | 8.0 |