This study is designed to investigate the characteristics of PM_(10) concentration and the chemical composition of heavy metallic components in the PM_(10) sampled in western Busan from March to May, 2003. PM_(10) measurement was done during springtime of 2003, totaling 29 days: 9 days in March, 10 days in April and 10 days in May. With a sampling time of 24 hours, it started 9:00 AM on that day and ended 9:00 AM the next day. The mean contribution ratio of soil during springtime was 10.3 ％. Al had a significant correlation with Ca, Fe. Mg and Si and little correlation with Na, Ni and Zn.