On July 28 at AAPCS-1, located at the address of the village of Osinovo Zelenodolsk district, hydrogen sulfide exceedances were recorded with a multiplicity of up to 2.2 maximum permissible concentrations at full calm, wind speed 0 m/s. The Ministry analyzes the excess using the consolidated database of emission parameters of the city of Kazan to determine the source of pollution. At the other stations of the Ministry, no excess pollutants were recorded this week.

From July 14 to July 21, single hydrogen sulfide exceedances were recorded at AAPCS-2, located at 75 Pavlyukhina Street, with a southwesterly wind direction. No exceedances of the maximum permissible concentration of pollutants were recorded at the other stations of the Ministry this week.

From July 7 to July 14, two automatic air pollution control stations out of five in Kazan recorded the excess of the maximum permissible concentration of hydrogen sulfide in the atmospheric air.

From June 30 to July 7, two of the five automatic air pollution control stations in Kazan recorded exceedances of the maximum permissible concentration of hydrogen sulfide in the atmospheric air.

Excess of the permissible concentration of hydrogen sulfide was recorded on July 4-5 at AAPCS-1, located in the village. Osinovo and AAPCS-5, located in the residential district "Salavat Kupere" on Shakirov st., 3). 

From June 26 to June 30, two of the five automatic air pollution control stations in Kazan recorded exceeding the permissible concentration of pollutants in the atmospheric air.

From June 16 to June 23, one of the five automatic air pollution control stations recorded 1 excess of the maximum permissible concentration for hydrogen sulfide in atmospheric air.

From June 9 to June 16, two of the five automatic air pollution control stations in Kazan recorded the excess of the maximum permissible concentration of hydrogen sulfide in the atmospheric air.

From June 2 to June 9, two of the five automatic air pollution control stations in Kazan recorded single exceedances of the maximum permissible concentration of hydrogen sulfide in the atmospheric air.

From May 26 to June 2, two air pollution control stations recorded the excess of the maximum permissible concentration of hydrogen sulfide in the atmospheric air. 

From May 19 to May 26, three automatic air pollution control stations out of five in Kazan recorded exceedances of the maximum permissible concentration of hydrogen sulfide and carbon monoxide in the atmospheric air.