Currently, there are few data on the contribution of climatic and geographical features, in particular, aridity, to the formation of bronchopulmonary pathology, which is one of the main causes of temporary disability and mortality in the Russian Federation, accompanied by large economic losses. The purpose of the work was to determine the relationship between the degree of aridity of the regions of the Saratov region and the incidence of chronic obstructive pulmonary disease and bronchial

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... in their inhabitants. The object of the study was data on the incidence of bronchopulmonary diseases in the adult population of the Saratov region from the archive of the State Health Institution "Medical Information and Analytical Center" of the Saratov region. The aridity index was determined by deciphering satellite images obtained using the Landsat 8 satellite, image processing and mapping of the studied areas was carried out using the QGIS program. By means of the method of remote sensing of the Earth it was revealed that the aridity index decreases, and the aridity increases when moving from the central to the southern regions of the Saratov region, when moving from the central to the northern and western regions of the region, the aridity index increases, and the aridity decreases. For the first time, a statistically significant correlation was established between the incidence of chronic obstructive pulmonary disease and bronchial asthma among people of working and retirement age living in the Saratov region and the coefficient of dryness.