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How Loud Is Too Loud? Bookmark

How Loud is too Loud?
Decibels Sound Source
150
Firecracker
120
Ambulance siren
110
Chain saw, Rock concert
105
Personal stereo system at maximum level
100
Wood shop, Snowmobile
95
Motorcycle
90
Power mower
85
Heavy city traffic
60
Normal conversation
40
Refrigerator humming
30
Whispered voice
0
Threshold of normal hearing

Download the "How loud is too loud?" Bookmark (PDF; get Adobe Reader)

Protect Your Ears

Know which noises can cause damage. Wear ear plugs when you are involved in a loud activity.

  • 110 Decibels

    Regular exposure of more than 1 minute risks permanent hearing loss.

  • 100 Decibels

    No more than 15 minutes of unprotected exposure recommended.

  • 85 Decibels

    Prolonged exposure to any noise at or above 85 decibels can cause gradual hearing loss.

Get sound advice.

For more information, contact the NIDCD Information Clearinghouse.

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