From January 26 to February 2, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From January 19 to 26, exceedances of the maximum permissible concentration of pollutants were recorded at one of the five automatic air pollution control stations in Kazan.
From January 12 to January 19, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From January 1 to January 12, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From December 22 to December 29, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From December 15 to December 22, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From December 8 to December 15, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
From December 1 to December 8, 1 excess in carbon monoxide with a maximum multiplicity of 1.98 MPC was recorded at AAPCS-2, located on Pavlyukhina Street, 75, with a northeasterly wind direction.
From November 20 to December 1, no excess of permissible concentrations of pollutants in the atmospheric air were recorded by automatic air pollution control stations in Kazan.
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.