An average monthly concentration of dust in Yerevan in June of 2012 was 3.1 times over the maximum permissible concentration, News.am cites the Ecology Ministry of Armenia.
Moreover, NO2 concentration in the Armenian capital was 2.6 times over the norm.
For comparison, the average dust concentration in the second city of the republic, Gyumri, was 1.9 times over the norm.
