Noise pollution rose by 66% in the Silence Zone of Ranchi on Saturday following a massive violation of a two-hour window given by the Jharkhand State Pollution Control Board (JSPCB) to fire crackers.
The same region recorded a 37% increase in noise pollution against the border during a two-hour window.
On the instructions of the National Green Tribunal (NGT), the JSPCB issued an order to give a two-hour window from 8 am to 10 pm to burst firecrackers on Diwali on 12 November.
The board measured the noise pollution situation at four locations – Jharkhand High Court (Silence Zone), Albert Ekka Chowk (Commercial Zone) Kachchi Chowk (Commercial Zone) and Ashok Nagar (Residential Zone) from 6 pm to 12 midnight on Saturday. .
The Jharkhand High Court, the city’s silent area, records average noise pollution on Diwali between 6 pm and 12 pm at 67.83 decibels (dB), a slight drop compared to pre-Diwali measurements. The zone recorded 70.28 dB on 9 November.
The silent zone recorded 68.55 dB during window hours, against the permissible limit of 50 dB from 8 d to 10 o’clock, while the same area recorded 66.5 dB during post window hours, 40 dB from 10 a.m. to 12 o’clock. Was against the limits of.
The permissible limits for the silence zone are 50 dB during the day (7 AM to 10 PM) and 70 DB at night (10 AM to 4 AM).
Similarly, Ashok Nagar, the posh area of the city, recorded an average fall during six hours as against the 55 dB limit in the day and 45 dB at night. The region recorded 74.45 decibels during the allotted hours after the range of 55 dB and 71.6 dB, against the permissible limit of 45 dB from 10pm to 12 midnight.
The residential sector recorded an average of 57.85 dB in six hours during pre-Diwali measurements.
Commercial areas Albert Ekka Chowk recorded an average noise pollution of 78.41dB over Kutchri Chowk and 74.31dB over a period of six hours. The permissible limits for business sectors are 65 dB by day and 55 dB at night.
Commercial sectors recorded 70.9 dB and 72.36 dB respectively during the pre-Diwali assessment on 9 November.
Albert Ekka Chowk recorded 80.9 dB during the allotted hour and 73.75 after the window. Similarly, 74.31dB were recorded during window hours at Kachchi Chowk and 71.3 during window hours at Diwali night.
JSPCB analyst RN Kashyap said, “The increase in noise pollution during the post window hours is due to the revelations of Diwali. It seems that the order of the two-hour window did not reach many residents. “
“In some places like Albert Ekka Chowk, the increase in noise levels is visible due to some other factors such as loud speakers and the sound of vehicles,” he said.
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