How loud is too loud?
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Published in Daily Trivia
Permanent hearing loss can result from prolonged exposure to sounds at 85 decibels (0 decibels is the threshold for hearing). For comparison, a busy street corner is about 80 decibels, a subway train from 20 feet is 100 decibels, a jet plane from 500 feet is 110 decibels and loud thunder is 120 decibels. A rock band amplified at close range is 140 decibels, which is 100 trillion times threshold and more than 100,000 times as loud as the level that will produce permanent hearing loss.
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