The morphology,particle size and component of PM10 in spring atmosphere in Shijiazhuang City is analyzed by scanning microscopy spectroscopy to obtain the pollution status of PM10.It shows that the PM10 has various morphology.Spherical particles are the chief component of PM10.Fine particles with the diameter less than 0.5μm are the main part,and the number of particles decreases as the particle size increases.The number of sulfur particles is 6.3% higher in the heavy pollution air quality than in good air ...