[Airborne pollen on the Romagna coast]

Data are reported of a study on airborne pollen diffusion carried out in the area of Cesena (Emilia Romagna) during the years 1984-85-86 to create a pollen calendar. The seasonal trend of Graminacee, Fagacee, Betulacee, Chenopodiacee, Urticacee, Oleacee, Composite, Plantaginacee, Salicacee concentration has been investigated using the method of daily, weekly and mobile mean which provides the elimination of interferences brought about by atmospheric phenomena.