From November 10 to November 17, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From November 3 to November 10 at AAPCS-5, located in the residential district "Salavat Kupere" on I. Shakirov st, 2 nitrogen dioxide exceedances were detected with a maximum multiplicity of 1.57 MPC, with a south-easterly wind direction, wind speeds up to 0.6 m/s. At the other stations of the Ministry, the excess of the MPC of pollutants was not recorded.
From October 27 to November 3, 20 nitrogen dioxide exceedances with a maximum multiplicity of 1.63 MPC in the south and south-west wind direction and 3 nitrogen oxide exceedances with a maximum multiplicity of 1.78 MPC in the south wind direction were recorded at AAPCS-2, located at 75 Pavlyukhina Street.
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.