Author(s)

L. Bozo & G. Baranka

Abstract

In Budapest, air quality is monitored by means of an up-to-date monitoring system consisting of 8 stations in the city which provide continuous information on the actual level of CO, SOj, NO* O, and TSP concentrations. A multi-source Lagrangian-type dispersion model was applied for the estim- ation of the relative contribution of stationary industrial and energetical SOg sources having different stack heights. The city was covered by 4225 grid squares (500m x 500m each). Sources with different stack heights were considered separately during computations. Temporal variation in ambient concentration of SOg is also presented for the period of 1991-1995. 1. Introduction The present general air pollution conditions in Budapest (more than 2 million inhabitants over 525 knf) are mostly determined by the emission from mobile sources (road tr

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