Source perception and noise level

Abstract

Introduction: Noise is a potential impact on health, it is currently considered as an “invisible” pollutant and it is annoying for a
person and the population in general, the objective is to determine the noise level and the pollution sources in the population
that lives near the Cochabamba´s airport in Bolivia. Methodology: The study is descriptive, transversal, observational and prospective. Developed from January to May 2019, the study population contemplated 106 inhabitants older than 15 years and the instrument used was a type 2 integrating sound level meter and survey. Results: The noise mainly comes from vehicular traffic 51.9% and air transport 25.5%. the 56.6% of inhabitants perceive noise every day, 31.1% on weekends and 12.3% from Monday to Friday. The records are: 90 dB in aircraft takeoff, 86 dB vehicular traffic, 105 dB in recreational activities and 65 dB in buildings and nightclubs. Discussion: The most important source of noise perception, in the Jorge Wilsterman airport area is the vehicular transport and they indicated that it is every day in the week and the greatest intensity source are the recreational activities. The Most levels recorded in the sound sources exceed the values recommended by WHO and government institutions.