From October 20 to 27, 1 excess of nitrogen oxide with a maximum multiplicity of 1.46 MPC was recorded at AAPCS-2 on Pavlyukhin Street 75. The reason for the excess is related to emissions from vehicles during peak hours.
From October 13 to October 20, no exceedances of the maximum permissible concentration of pollutants were detected at the automatic air pollution control stations in Kazan.
From October 6 to October 13, no exceedances of the maximum permissible concentration of pollutants were detected at the automatic air pollution control stations in Kazan.
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.