|
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 |
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.
Source: National Institute on Deafness and Other Communication Disorders
