in adverse ecological conditions lives 2,38 million persons In the Samara region. On it it is informed in the report on an ecological situation in the region for 2010, on March, 9th published on a site of the mayoralty of Samara. In total in region live 3,16 million persons. In the document it is informed that four of nine cities of region have high or very high level of air pollution. For a year 882 cases of excess of maximum permissible concentration of harmful substances are fixed. From them in Tolyatti - 255, in Samara - 190. Hydrocarbons, the basic source of their emissions - motor transport were the basic polluting substances formaldehyde, oksidy nitrogen. On water objects of area within a year 859 tests of water are selected. 23 cases of high pollution and 19 cases of extremely high pollution are fixed. As a whole water of the majority of water currents of region was estimated as “ dirty “. Besides, was 57 tests of ground adjournment of the rivers and area water basins are taken. On degree of pollution by pesticides them have carried to a category “ pure “. The radiating condition in region was stable and was in limits of a natural radiating background. In the report conclusion it is noticed that as a whole the ecological situation remains stable.