The level of air pollution in Kyiv region was researched. The research was conducted on established ecological maps. The main sources of pollution and the dynamics of change were considered. The environmental information about air pollution from mobile and stationary sources were summarized. The most polluted areas of the city and region are found. The main air pollutants and the basic enterprises which are the most air pollutant in the Kyiv region were analysed. Keywords: air, stationary sources of air pollution, mobile sources of air pollution, ecological mapping.