Sounds at these levels can cause pain and ear injury:
Explosion- 140dB
Nearby jet engine roaring- 130dB
Nearby siren wailing- 120dB
Sounds at these levels can cause hearing loss in 2-15 minutes:
Loud music (recorded or live)- 110dB
Train, car horn, big sports event- 100dB
Sounds at these levels can cause stress and difficulty communicating:
Motorcycle, lawnmower- 95dB (can damage your hearing after 50 minutes)
Noisy factory, busy restaurant- 85dB (can damage your hearing after 2 hours)