Maximum concentration fixed in monitoring, mg/m 3 (for a monitoring point)Īir basin monitoring was carried out by passive sampling in 48 observation posts of the town. Results of monitoring via active sampling in Yerevanĭetermined substances (monitoring points) The air basin monitoring was conducted by observationpostslocated in Yerevan via active (24-hour) samplingto determine the content of dust, sulfur dioxide, nitrogen dioxide and ground-level ozone in the athmosphere. The data on air basin pollution of the town of Yerevan in 2015, according to the reference, provided by Ecomonitoring, are given below. On the territory of Yerevan there are five stationaryobservationposts, providing data for calculation of the background level of air pollution in the town. The pollution of air basin of Yerevan is also under the monitoring by the Environmental Impact Monitoring Center SNCO of the MNP (Ecomonitoring).
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