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eWellness: Noise standards
Dr KK Aggarwal,  24 October 2019
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  • The ambient noise standard for residential areas is 55 decibels (dB) during the day and 45 dB at night.
  • Permissible noise in industrial area is 75 dB in daytime and 70 dB in nighttime.
  • Permissible noise in commercial area is 65 dB in daytime and 55 dB in nighttime.
  • Permissible sound in residential area is 55 dB in daytime and 45 dB in nighttime.
  • Permissible sound in silence zone is 50 dB in daytime and 40 dB in nighttime.
  • Day time shall mean from 6am to 10 pm and nighttime shall mean from 10 pm to 6am.
  • Silence zone are areas up to 100 m around hospitals, educational institutions and courts.
  • One can complain to the authorities if the noise levels exceed from the allowable limit by more than 10dB.
  • High noise levels lead to stress-related dysregulation of the autonomic system leading to high blood pressure and heart disease
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