Author(s)

J. Kleperis, D. Danilane, I. Pruse & J. Luneva

Abstract

Three DOAS type stations are controlling the quality of air in Riga -the capital of Latvia. The measurements from all three DOAS stations (two - roof-level stations, one - street-level station) are compared. The strong correlation was found between data of ozone and nitrogen dioxide pollution from all three stations. It is concluded that air monitoring on roof level as well as on street level in Riga corresponds very well to the traffic motion in the city. Nevertheless the pollution with toluene and ozone too are much higher on roof level. AIRVIRO air quality control and management system in Riga City Council is used from 1992. Information databases about traffic intensity in streets and different point and square pollution sources (plants, factories, heati

Keywords