Methods of estimation of the urvene of pollution of atmospheric air by the example of the Yoshkar-Ol city of the Republic of Mari El

In the atmospheric air of modern cities there are hundreds of organic and inorganic substances of various chemical classes coming from numerous sources. The aim of the study is to determine the level of atmospheric air pollution with sulfur-containing toxicants, the most common and toxic substances for plants. A complex of data on the state of atmospheric air pollution in different functional zones in the town of Yoshkar-Ola has been obtained.