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eWellness: Facts about noise pollution

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Dr KK Aggarwal    08 January 2019

  • Permissible noise in industrial area is 75 dB in day time and 70 dB in night time.
  • Permissible noise in commercial area is 65 dB in day time and 55 dB in night time.
  • Permissible sound in residential area is 55 dB in day time and 45 dB in night time.
  • Permissible sound in silence zone is 50 dB in day time and 40 dB in night time. Silence zone are areas up to 100 meters around hospitals, educational institutions and courts.

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