Lung cancer in the Saratov region and Saratov is a very common pathology, ranking second in men and fourth or fifth in women in terms of incidence among other cancer localities. The article provides data on the incidence of lung cancer in Saratov for 2020–2023. Based on a comparison of city’s air basin pollution maps and types of housing development an attempt has been made to determine possible dependencies on the prevalence of the disease.