The Sonorous or Acoustic Pollution is one of the environmental problems more transcendentes in the cities, with the present work of investigation named Evaluation of the Sonorous Pollution in the City of Morales, District of Morales, Province of St Martín, Region St Martín, it developed with the aim to evaluate the sonorous pollution in the principal streets caused by the traffic and the Discotheques in the city of Morales, 2012. The type of investigation is descriptive, there has been chosen a total of eight points of evaluation in the city of Morales and from 6.30 to 7.30 have taken the information with a sound level meter of property of the Municipality District of Morales, in three shifts, the first shift am, the second shift of 12.0 m to 1.00 pm, and the third shift from 5.30 to 6.30 pm. We have managed to calculate the quantity of vehicles that circulate along the principal stree...