Question

Sound above what level (in decibels) is considered hazardous noise pollution?

  1. 30 dB
  2. 40 dB
  3. 60 dB
  4. 80 dB

Answer:

Option D: 80 dB

Detailed Solution:

The correct answer is “80 dB”.

The World Health Organization (WHO) considers noise above 80 decibels (dB) to be hazardous noise pollution.