his paper completes a thematic series of papers. It describes the results obtained in the course of surface measurements using the ground mobile and stationary complexes similar to that mounted at the aircraft–laboratory. The interconnection between different compounds detected in the air of Norilsk was analyzed, and the clusters of the compounds interconnection were determined. A comparison between the detected concentrations and the hygienic norms was made. Recommendations on the improvement of air quality in city were worked out.