EcoLur
In the first nine days of April, compared to the previous month, the dust concentration in Yerevan, Vanadzor, Tsakhkadzor, Hrazdan and Ararat has decreased.
According to Environmental Monitoring and Information Center, nitrogen dioxide concentration in the atmospheric air of Tsakhkadzor decreased by about 40% between March 15 and the end of March compared to the first half of March.
April 16, 2020 at 12:56