Acoustic Capacity Map of Sant Martí de Llémena is a set of cartographic information that aims to prevent, prevent or reduce noise pollution to which the population and the environment is exposed, and to preserve and / or improve the acoustic quality of the territory . The data set is made up of a document in PDF format that contains four plans, which represent, by means of vector data, the immission levels set as quality objectives in each specific territory. The cartography classifies the spaces of the municipality of Sant Martí de Llémena in: Zone of high acoustic sensitivity (A), Zone of moderate acoustic sensitivity (B), Zone of low acoustic sensitivity (C); categories that are broken down into subcategories referenced with an alphanumeric code.