Ambient noise levels in Chennai India 2017 by monitoring station

Published by Ian Tiseo, Feb 6, 2023
In 2017, the ambient noise level in the Pallikarnai area in Chennai was over 75 dB(A). It was the highest level of noise recorded at any monitoring station that year. Interestingly, the noise level in the Perambur area during night time was slightly more than the day time.

Ambient noise levels in Chennai, India in 2017, by monitoring station (in A-weighted decibels)

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Release date

March 2020

Region

India

Survey time period

2017

Supplementary notes

Leq: It is energy mean of the noise level over a specific period

dB(A) Leq denotes the time weighted average of the level of sound in decibels on scale A which is relatable to human hearing.

The period between 6 AM and 10 PM is taken as day time while the period between 10 PM and 6 AM is taken as night time.

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