The station APL-3 that has been installed in the campus of the University of Salento at Lecce (photo below) is devoted to aerosols mass concentration measurement. See in the close-out map, the installation area, the equipment of the station, as well as, the wind direction sectors of best exposure, The operability of the station is due to the Geostatistics Sector of the Economical, Mathematical and Statistics Science department of the University of Salento (Lecce).