From January 12 to January 19, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
Sampling trips with the usage of a hand-held sampling pump for analysis on a wider list of substances were also organized. According to the results of the analyses of the samples taken on January 12, no excess was recorded. The results of the analyses from the sampling on January 16 and 18 are still in the works.