Vehicular noise (VN) constitutes an undesirable sound in urban environments, acting as a disruptive and contaminating agent to human health, affecting both the physical and psychological well-being of individuals. This study aimed to determine the level of VN in key areas of the city of Ilo and assess its impact on the perception of the local population. The methodology employed was the National Environmental Noise Monitoring Protocol, conducting measurements over 21 days, taking into account climatic factors. The noise analysis was carried out using a BSWA 308 Class 1 sound level meter, following national regulations and utilizing maps and variograms to evaluate the spatial and temporal distribution of VN. Furthermore, a survey was employed as a data collection instrument to assess people's perception. During peak hours (12:00 p.m. to 2:00 p.m. and 5:00 p.m. to 7:00 p.m.), it was determ...