Source of sound Sound pressure level (dB)
Shockwave (distorted sound waves > 1 atm; waveform valleys are clipped at zero pressure) >194 dB
Theoretical limit for undistorted sound at 1 atmosphere environmental pressure ~194.094 dB
Stun grenades 170 - 180 dB
Rocket launch equipment acoustic tests ~165 dB
Simple open-ended thermoacoustic device[6] 176 dB
.30-06 rifle being fired 1 m to shooter's side 171 dB (peak)
M1 Garand rifle being fired at 1 m 168 dB
Jet engine at 30 m 150 dB
Threshold of pain 130 dB
Vuvuzela horn at 1 m 120 dB
Hearing damage (possible) approx. 120 dB
Jet engine at 100 m 110 - 140 dB
Jack hammer at 1 m approx. 100 dB
Traffic on a busy roadway at 10 m 80 - 90 dB
Hearing damage (over long-term exposure, need not be continuous) 85 dB[8]
Passenger car at 10 m 60 - 80 dB
EPA-identified maximum to protect against hearing loss and other disruptive effects from noise, such as sleep disturbance, stress, learning detriment, etc. 70 dB
Handheld electric mixer 65 dB
TV (set at home level) at 1 m approx. 60 dB
Washing machine, dish washer 50-53 dB
Normal conversation at 1 m 40 - 60 dB
Very calm room 20 - 30 dB
Light leaf rustling, calm breathing 10 dB
Auditory threshold at 1 kHz 0 dB