Pollen grains were collected with a Durham sampler in the atmosphere of Rize from 1 January to 31 December 2000. During the observation period, a total of 4721 pollen grains/cm2 belonging to 30 taxa, as well as unidentified pollen grains, were recorded. Total pollen grains consisted of 83.69% from arboreal plants, 14.38% from non-arboreal plants and 1.93% unidentified pollen grains. Alnus sp., Cupressaceae, Castanea sp., Pinus sp., Populus sp., Fraxinus sp., Platanus sp., Corylus sp., Carpinus sp., Gramineae and Urticaceae were found to be dominant pollen types in the atmosphere of Rize. The highest level of pollen fall was observed in February.