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Chennai, the noisiest city

Chennai is often portrayed to be the most reticent of all the metros. But a recent study by the Central Pollution Control Board tells a different tale. The city is the noisiest in the country, followed by Hyderabad and Mumbai.

Locations in Chennai were selected under four categories for the study. Anna Nagar was under the silence zone, T.Nagar, Perambur, Washermanpet and Pallikarnai under the commercial zone, Guindy under the industrial zone and Triplicane, Velachery and Sowcarpet under the residential zones. The noise levels recorded at these zones were double the permissible limits.

The main reasons for noise were found to be vehicular traffic, construction work, industrial activity, generator sets and loud speakers.… These high levels of noise cause hypertension, stress, hearing impairment, sleep disturbance and heart ailments.

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