Research Article
Spatial Variation of the Relationship between PM2.5 Concentrations and Meteorological Parameters in China
Figure 2
The estimated distribution of PM2.5 concentrations in China from (a) 2001 to (j) 2010 (classified according to the WHO air quality guidelines and interim targets).
| (a) 2001 |
| (b) 2002 |
| (c) 2003 |
| (d) 2004 |
| (e) 2005 |
| (f) 2006 |
| (g) 2007 |
| (h) 2008 |
| (i) 2009 |
| (j) 2010 |