Abstract
The paper presents the trends in atmospheric pollution of the Balahna agglomeration (Nizhny Novgorod region, Russia), identified based on the ecological and chemical analysis of snow masses accumulated in 2019 and 2020, and also describes some features of the pollution of snow accumulated in 2020 in the protective zone of one of the city-forming enterprises of Nizhny Novgorod. Within Balahna-Pravdinsk, the presence of chlorides, sulfates, and hydrocarbonates in the snow waters was revealed, which may indicate the presence of corresponding ecotoxicants in the gas and dust emissions of the enterprise. Within Nizhny Novgorod, the presence of increased concentrations of ammonia, as well as the presence of nitrogen oxides and dust-like pollution in the atmosphere of an industrial area, was established.
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