The 210Po and 210Pb content of the resuspended aerosols and the PM-10 fraction separated from them was determined. Sampling was adapted to the observed rainfall events, sampling before and after the rain. First, the sample was transferred to solution by total acid digestion, then the alpha source for the 210Po measurement was prepared by spontaneous deposition on a high Ni content stainless steel disc. Determination of 210Po activity concentration in resuspended aerosols was carried out using semiconductor (PIPS) detector alpha spectrometry. 210Pb activity concentration was measured via the liquid scintillation counting method. Sampling was carried out in two stages: first, samples were taken at various locations in the city of Veszprém to investigate whether anthropogenic influences affect the activity concentrations of polonium and lead. In a second step, we investigated the effect of rainfall on the activity concentrations of polonium and lead in resuspended aerosols. The bulk resuspended samples and the PM1-10 fraction separated from them were analysed. Based on our measurements, the activity concentrations of polonium and lead in the resuspended aerosol samples are typically higher at traffic junctions. In the samples analysed before and after rainfall, a decrease in polonium and lead activity concentrations is observed after rainfall, returning to baseline levels days later. The research was funded by the Sustainable Development and Technologies National Programme of the Hungarian Academy of Sciences (FFT NP FTA)