Organ systems
Blagoevgrad has the most Polluted Air in the past 4 Days
There is air pollution in several cities of the country again, according to data of the European Environment Agency's "Air Quality" indicator. The most polluted is the air in the city of Blagoevgrad, South-West of Bulgari. For the past 24 hours over, the average daily levels of air pollutant concentrations exceed the norms 3 times, reports BNT.