Objective To study urba(Kuitun City)dust fall pollution characteristics and its time-spatial distribution for the use of environmental protection section.
Methods Based on the actual situation in Kuitun, the amount and time-spatial distribution of dust fall in four functional areas were monitored.
Results The amount of dust fall in each functional area reached highest in April through July. Total amount of dust accumulated was 35.44~118.21 t/(km2& #183;month)in the order that industrial area > business area > residential area > ecological zone. By analysis of variance, the amount of dust fall had very significant differences between the four zones.
Conclusion The amount of atmospheric dust fall pollution has a decline tendency in Kuitun City, but it still results in healthy hazards of residents. So it is very necessary to strengthen comprehensive prevention measures in atmospheric pollution control.
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