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