Abstract. This paper represents, for the first time, scientific data as a part of monitoring air quality in the city of Split. The city has a problem with the air pollution mostly caused by anthropogenic activities and partly by natural origin activities. This study presents results of monthly and seasonal variations of NO 2 , SO 2 and black-smoke as well as the influence of meteorological parameters on observed concentration levels. Average seasonal values for SO 2 ranged from 22.54 to 54.81 g m -3 , for NO 2 from 48.24 to 56.38 g m -3 and for black-smoke from 4.15 to 5.64 g m -3 . The results obtained for SO 2 and black-smoke were below, while for NO 2 were above the limit value of pollutants in the air recommended by Croatian Government (Air Protection Act (OG 178/04); Regulation on limit values of pollutants in air (OG 133/05)).As the result of stable meteorological conditions (high temperatures and drought), the increase in SO 2 concentration was significant in summer period, while the concentrations of NO 2 and black-smoke were not significantly changed during year and did not depend on other parameters. (doi: 10.5562/cca1966)

The distributions of cadmium and lead in marine sediments, surrounding soil, stones, and atmospheric particulate matter were determined at different locations in Split, Croatia. The determination of cadmium and lead was performed by flame atomic absorption spectrometry whereas atmospheric particulate matter samples were analyzed by inductively coupled plasma-optical emission spectrometry. Cadmium concentrations in the stones and soil were between 0.2 to 0.6 lg g À1 and 0.2 to 0.9 lg g À1 . The concentration in the atmospheric particulate matter were <0.2 lg m À2 d À1 (detection limit) to 1.4 lg m À2 d À1 . Lead concentrations in marine sediments, stones, soil, and atmospheric particulate matter ranged from 31.2 to 144.4 lg g À1 , 9.3 to 29.4 lg g À1 , 11.3 to 66.1 lg g À1 , and 0.5 to 241.4 lg m À2 d À1 , respectively. The relationship between determined parameters was established using principal component analysis and the results are in agreement with the assumption that anthropogenic sources play important roles for lead and cadmium distribution.

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