Evaluation and Analysis of Environmental Noise Levels in NCT of Delhi, India

The present study reports the analysis of hourly equivalent noise levels 100 sites in NCT (National Capital Territory) Delhi and correlates with community perception that has not been reported so far. presents environmental scenario Delhi, India, including 19 commercial, 9 industrial, 16 residential, 43 silence zones, 3 highway sites, 10 intersection sites. were monitored at various timings between AM 8 PM to analyze pollution city. Along continuous sound (LAeq, 1 h); 10-percentile exceeded (L10), Traffic Noise Index (TNI), Climate (NC), Pollution Level (NPL) these also computed. LAeq, h varied from 66.5 84.7 dB(A), majority (90.0% sites) exhibited 70 80 dB(A). A map was developed addition a socio-acoustic survey conducted public toward associated health hazards. revealed road traffic along honking is major dominant source pollution. It shall be very helpful recommending appropriate control strategies for abatement