Abstract

Adverse consequences of noise pollution affect many aspects of human life. This study aims to investigate the noise pollution in District 2 in the center of Tehran. To achieve this aim,noisepollution indicators during three periods of rushhour were monitored at 72 stations scattered over nine regions of this district throughout the period of July and august 2016. After analyzing the data,the level of noise pollution,critical points,and the regions with above-standard noise levelswere determined and reported. The average equivalent noise level (Leq) was about 71.85 dB(A) with the highest level being 84.5 dB(A) in Azadi Station in region 5 and the lowest level being 57.4 dB(A) in Pardisan Park Station in Region 7. The highest equivalent noise levels (L10,L90),traffic noise index (TNI) and the level of noise pollution (LNP) were 95.2 dB(A) in Sadeghiyeh Station in region 2,83.1 dB(A) in Habibullah and Shadman subway stations in regions 5 and 6,102.57 dB(A) in Azadi-Enqelab station,and 96.2 dB(A) in Sadeghiyeh station in region 2,respectively. The results of this study show that the equivalent noise level in all noise measurement stations is higher than the standards. © 2016,International Journal of Pharmacy and Technology. All rights reserved.