From February 2 to February 9, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
Sampling trips were also organized using a hand-held sampling pump for analysis on a wider list of substances. On February 2, sampling was carried out at 16 Lukin Street. According to the results of the analyses, no excess was recorded. The results of the analyses from the sampling on February 6.7 and 8 are still in the works.