Exposure to loud noise can also cause high blood pressure, heart disease, sleep disturbances, and stress. The most common health problem it causes is Noise Induced Hearing Loss (NIHL). Noise pollution impacts millions of people on a daily basis. Sound sources that exceed this threshold include familiar things, such as power lawn mowers (90 decibels), subway trains (90 to 115 decibels), and loud rock concerts (110 to 120 decibels).
Sounds that reach 85 decibels or higher can harm a person’s ears. There are many sounds in the environment, from rustling leaves (20 to 30 decibels) to a thunderclap (120 decibels) to the wail of a siren (120 to 140 decibels). Noise pollution is considered to be any unwanted or disturbing sound that affects the health and well-being of humans and other organisms. It cannot be seen, but it is present nonetheless, both on land and under the sea.
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