Objective: In order to investigate the variety of the airborne pollen in Chongqing.
Method: The diffusions pattern of airborne pollens in two areas of Chongqing was investigated for one year from October 1999 to September 2000. The slides were exposed daily through one year.
Result: The peak of spreading was in March in spring and in Autumn from September to October. The test on the pollen patients shows that the main resulting pollen is in Autumn.
Conclusion: The airborne pollen peak in Chongqing in spring prone to the influence of temperature, wind power and rain amount.