In the article was formulated the features aerogenic loading on the Cherkasy city population basing on materials of own studies. It was shown, the existing level of air pollution by chemical car-cinogens can not be considered as safe-health for residents health. It was set, that level of total car-cinogenic risk for the health of the city population caused by influence of the investigated carcinogens was high and needed realization of measures for its decreasing. Population cancinogenic risk was calculated for determination of the social danger of investigated carcinogens influence on an urban population. Obtained results can be used for development and scientific substantiation of preventive measures.