Question

what is meant by noise pollution

Answer 1

Noise pollution is generally defined as regular exposure to elevated sound levels that may lead to adverse effects in humans or other living organisms. According to the World Health Organization, sound levels less than 70 dB are not damaging to living organisms, regardless of how long or consistent the exposure is.

Answer 2

Noise pollution, also known as environmental noise or sound pollution, is the propagation of noise with harmful impact on the activity of human or animal life. ... The average noise level of 97.60 dB obtained exceeded the WHO value of 50 dB allowed for residential areas.