From September 1 to September 8 at AAPCS-5, located in the residential district "Salavat Kupere" on I. Shakirov, 11 exceedances of the maximum permissible concentration for hydrogen sulfide with a maximum multiplicity of 2.95 MPC and 1 excess for hydrogen sulfide at AAPCS-1 in the village of Osinovo were detected.

From August 25 to September 1, no exceedances of the maximum permissible concentration of pollutants were detected at the automatic air pollution control stations in Kazan.

From August 18 to August 25 at AAPCS-5, located in the residential district "Salavat Kupere" on I. Shakirov st., 10 exceedances of the MPC for hydrogen sulfide with a maximum multiplicity of 2.5 MPC were detected. A week earlier, from August 11 to August 18, 72 hydrogen sulfide exceedances and 5 carbon monoxide exceedances were recorded.

From August 11 to August 18 at AAPCS-1, located at the address of the village of Osinovo Zelenodolsk district, 36 excess hydrogen sulfide and 5 excess carbon monoxide were recorded in the east, north-west and north-east wind direction.  On AAPCS-5, located in the residential district of the residential complex "Salavat Kupere" on I. Shakirov, 3, hydrogen sulfide exceedances were also recorded in the east and north-east wind direction.  Information about the recorded excesses was sent under the jurisdiction of the Department of Rospotrebnadzor for the Republic of Tatarstan, the Volga-Kama Interregional Department of Rosprirodnadzor and the Kazan Interdistrict Environmental Prosecutor's Office.

From August 4 to August 11, two of the five automatic air pollution control stations recorded exceedances of the maximum permissible concentration for hydrogen sulfide in the atmospheric air. The excess was recorded at AAPCS-1, located in the village of Osinovo and AAPCS-5, located in the residential district "Salavat Kupere" on I. Shakirov st., 3.

From July 28 to August 4, no exceedances of the maximum permissible concentration of pollutants were detected at the automatic air pollution control stations in Kazan.

According to the results of regular visits with a mobile environmental laboratory to the northern zone of Kazan , one excess was detected along the Industrial st., 9. Inspectors are working to identify the source of pollution.

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).