Sofia. Picture: pixabay.com
Air pollution has been registered in 7 cities in Bulgaria, according to the European Commission’s Air Quality Index
. Data from this morning show that in several cities the concentration of particulate matter (PM10) and (PM2.5) is above the standards. The dirtiest air has been registered in Blagoevgrad, about 3 times above the average daily standard of 50 μg/cu m. Air pollution is also registered in Pernik, Smolyan, Ruse, Veliko Tarnovo, Nesebar, Plovdiv and parts of the capital city.
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