The unit used for measuring noise pollution is

Explanation

Explanation: Noise pollution: Noise pollution is that unpleasant sound that causes uneasiness to the ear and can lead to serious health hazards. It is more prevalent in metropolitan cities compared to suburban areas. Traffic is the main noise pollution in urban areas. Key Points Noise pollution, unwanted or excessive sound can have deleterious effects on human health, wildlife, and environmental quality. Noise pollution is commonly generated inside many industrial facilities and some other workplaces, but it also comes from the highway, railway, and aeroplane traffic and from outdoor construction activities. Sound waves are vibrations of air molecules carried from a noise source to the ear. Sound is typically described in terms of the loudness (amplitude) and the pitch (frequency) of the wave. Loudness (also called sound pressure level, or SPL) is measured in logarithmic units called decibels (dB). The normal human ear can detect sounds that range between 0 dB (hearing threshold) and about 140 dB, with sounds between 120dB and 140 dB causing pain (pain threshold). The unit used for measuring noise pollution is Decibel. Additional Information Physical Quantity SI Unit of measurement Mass Kilogram Force Newton Energy Joule Length Metre Time Second