As of the morning of September 21, in most regional centers of Ukraine, the air generally demonstrates good quality. However, there are exceptions where the pollutant content is more than three times the who norm.
This is reported by EcoPolicy based on data from the international monitoring platform IQAir.
According to the level of pollutant concentration, Kyiv air in the morning is in the "green" zone. The average content of fine dust of the PM2.5 fraction is 6.9 μg/m3. The upper limit of the norm for this indicator, established by the World Health Organization, is 5.5 μg/m3.
The air is of good quality on average, according to the indicators of all monitoring stations. However, at some locations, the excess of dust content is still recorded, so there the level of pollution is determined as average.