At what decibel level does sound become harmful noise pollution?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Biology Mcqsbiology-mcqs
Published
7 Jan 2021
Last updated
28 May 2026

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Explanation

Sounds exceeding 80 decibels are considered harmful and contribute to noise pollution, potentially causing hearing damage and other health issues.

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