On the EPA world map (https://waqi. info/ru/#/c/51.112/71.552/11.2z) the actual concentrations of air pollutants in Kazakhstan are reflected in real time, which change depending on the data update on the measuring sensors (from a few minutes to an hour).
On September 19, 2021, the following readings are reflected in the table below. In the top 10 countries with the worst air pollution index, Kazakhstan ranks 29th.