The PM10 ranged from 4.7 to 10.0 μm accounted for 51.4%, from 3.3 - 4.7 μm accounted for 14.3%; from 2.1 - 3.3 μm accounted for 13.4%; from 1.1 - 2.1 μm accounted for 10.2% and particle ranged from 0.4 - 1.1 μm accounted for 10.8%. Besides, PM10 average concentration was found to be 110 - 241 μg / m3.