Studying Air Pollutants Origin and Associated Meteorological Parameters over Seoul from 2000 to 2009

Figure 8

Variation of aerosol volume size distribution: (a) annual variation over Anmyeon for , 2000, , 2001, , 2002, and , 2004, (b) over Anmyeon for , 2005, , 2006, and , 2007, (c) over Seoul from for , 2000, , 2001, , 2002, and , 2003, and (d) daily variation over Seoul before, during, and after the dust storm of 21 March 2002. is the number of days used.

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(b)

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(d)