The current state of the atmosphere in the Kashagan field (the north-eastern part of the Caspian Sea) is considered. Methods and results of environmental monitoring in Kashagan offshore field and adjoining areas are described. Five industrial sites were considered. The results of sampling wells and the test results are presented. Prognostic characteristics of the sources of pollutant emissions into atmosphere during naval operations in the period of planned operation activity of the Naval Complex (MC) are described in detail. The description of technological features of the MC operation is given a particular attention for a detailed review of possible sources of pollution. Methods of extraction and transportation of raw materials, liquids and gases as well as waste materials, volumes are specified and the list of substances to be emitted into atmosphere during the operation is provided. Particular attention is paid to the description of activities to reduce induced pressure on the environment.