Compare ofNoisePollution in the Region 5 and 6 of Tehran Municipally

Fathi, Sanaz; Monazam, Mohammadreza; Razaghi, Fateme

Compare ofNoisePollution in the Region 5 and 6 of Tehran Municipally

Document Type : Original Articles

Authors

¹ PhD. Student of Environment, Faculty of Environmental and Energy, Science and Research Branch, Islamic Azad University Islamic Azad University

² Assistant Professor, Faculty of Health, University of Tehran

³ MSC. of Environmental and Energy, Science and Research Branch, Islamic Azad University

Abstract

The purpose of this study is to measure and compare the noise pollution in some parts of region 5 and the southern part of region 6 of district 2 in Tehran, May 1390. The sound was measured in the studied areas by audiometer machine (model 2236 made Brvyl and Kjayr) in the three peak hours of traffic in each day. The data were introduced to GIS software to provide information on pollution levels and layers, the critical points and, etc. To study the various forms of pollution, noise, traffic awareness surveys and response to harassment of the residents mentally sound in both questionnaires were distributed among people over 18 years. The average of Equivalent Noise level (Leq) was 3.72 and 6.8 dB in the region 5 and 6.8, respectively. However, the lowest and highest of Leq was detected in the business and residential users, respectively.In both regions day sound pollution was highest than the day standard level of Iran and almost in the station of district 2 of region 6 the amount of sound parameter was registered higher than the 5، high levels of noise pollution was a serious problem emerged in both areas. Keywords: Peak traffic, Audiometer, GIS, Equivalent sound level, Questionnaire.