The L Aeq, 1 h levels varied from 66.5 to 84.7 dB(A), and majority of the sites (90.0% sites) exhibited L Aeq, 1 h between 70 and 80 dB(A). Along with the hourly equivalent continuous sound levels ( L Aeq, 1 h) 10-percentile exceeded sound levels ( L 10), Traffic Noise Index (TNI), Noise Climate (NC), and Noise Pollution Level (NPL) of these sites were also computed. The hourly equivalent noise levels of 100 sites were monitored at various timings between 9 AM and 8 PM to analyze the environmental noise pollution scenario in the city. The study presents the environmental noise scenario of 100 sites in the NCT of Delhi, India, including 19 commercial, 9 industrial, 16 residential, 43 silence zones, 3 highway sites, and 10 intersection sites. The present study reports the analysis of hourly equivalent noise levels of 100 sites in the NCT (National Capital Territory) of Delhi and correlates with the community perception that has not been reported so far.
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