Gonadotoxic effects of the environmental factors in different districts of Ivano-Frankivsk region according to fertility indices of pollen plants of four kinds have been investigated. The reduction of the pollen plants seeds fertility from such chemically polluted towns as Kalush and Bershtyn and the region of a doubled radiologic control (Stetseva village, Snyatyn district) in comparison with the same plants from the eco-friendly towns of Yaremcha and Kosiv has been noticed. The pollen sterility test may be used as one of the bioindicative indices of the environmental pollution.
