Abstract
This paper presents the results obtained from a study on environmental noise pollution in the city of Curitiba, Brazil. The equivalent sound-level values LAeq, 2 h were measured and tabulated for 1000 locations spread over the urban zones of the city of Curitiba in several urban zones: residential, mixed, services, downtown, and industrial. It was found that 93.3% out of the surveyed locations display during the day equivalent sound levels over 65 dB(A), and 40.3% out of the total number of locations measured during the day display extremely high values of equivalent sound levels: over 75 dB(A). The average noise levels per zone has ranged from 73.4 to 78.1 dB(A). (To be presented in Portuguese.)
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