Noise Levels e Safety
Protecting Your Hearing
Learn Safe LimitsNoise-induced hearing loss é preventable but irreversible. Understanding safe exposure limits e usando proper protection can preserve your hearing for life.
Comuns Noise Sources
| Source | Level | Risk |
|---|---|---|
| Normal conversation | 60 dB | Safe |
| City traffic | 80-85 dB | Extended exposure risk |
| Potência tools | 90-100 dB | Protection needed |
| Concerts, clubs | 100-115 dB | High risk |
| Firearms | 140-170 dB | Immediate damage |
Conclusão
O 85 dB threshold marks onde hearing damage begins com prolonged exposure. Cada 3 dB increase halves safe exposure time. Ear protection (reducing 15-30 dB) é essential for loud environments. Once hearing é lost, it cannot be restored—prevention é o apenas solution.