From January 1 to July 5, 17 automatic air pollution control stations performed more than 2.275 million measurements, including five automatic air pollution control stations in Kazan performed more than 677 thousand measurements.
From June 29 to July 5, automatic air pollution control stations in Kazan recorded exceedances of the maximum permissible concentrations of pollutants in the atmospheric air.
AAPCS-1 (Osinovo village, Zelenodolsk municipal district) hydrogen sulfide exceedances were recorded;
AAPCS-5 (Kazan, I. Shakirov ave. 3) hydrogen sulfide exceedances were recorded.
No excess pollutants were recorded at the other AAPCSs located in Kazan.