KIEV, June 3 – In 2012 the highest air pollution levels were registered in five cities and towns of Ukraine - Odessa, Horlivka, Armiansk, Sloviansk, and Dniprodzerzhynsk.

As the Web site of Mariupol City Council reported referring to the Central Geophysical Observatory of Ukraine, assessments of the air quality index (AQI) were conducted via observations in 53 cities and towns at 163 state weather monitoring services.