From September 29 to October 6, 9 nitrogen oxide exceedances with a maximum multiplicity of 1.5 MPC were recorded at AAPCS-2 on Pavlyukhin Street 75.
From September 22 to 29, no exceedances of the maximum permissible concentration of pollutants were detected at the automatic air pollution control stations in Kazan.
From September 15 to 22 at AAPCS-1, located in the village of Osinovo 8 exceedances of hydrogen sulfide with a maximum multiplicity of 1.8 MPC were recorded and 1 excess of hydrogen sulfide with a maximum multiplicity of 1.8 MPC at AAPCS-2 on Pavlyukhina Street 75.
From September 8 to 15, 28 hydrogen sulfide excesses with a maximum multiplicity of 3.4 MPC and 1 hydrogen sulfide excess were recorded at AAPCS-5, located in the residential complex "Salavat Cooper", and 1 excess in hydrogen sulfide at AAPCS–1, located in the village of Osinovo. Also on AAPCS-2 on Pavlyukhina str. 75 in Kazan, nitrogen oxide exceedances were recorded with a maximum multiplicity of 1.7 MPC.
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.