| Year | Annual Average Conc. of PM10 (μg/m3) | AQLs | ||
| EEAA | US/EPA | EC | ||
| 2003 | 161.5 | 100 | 50 (*) | 40 |
| 2004 | 153.9 | |||
| 2005 | 150.3 | |||
| 2006 | 202.1 | |||
| 2007 | 190.8 | |||
| 2008 | 189.8 | |||
| 2009 | 215 | |||
| 2010 | 198.8 | |||
| 2011 | 146 | |||
| Average | 179 | |||