Noise Level Chart
A noise level chart showing examples of sounds with dB levels ranging from 0 to 180 decibels.
|dBA||Example||Home & Yard Appliances||Workshop & Construction|
|0||healthy hearing threshold|| || |
|10||a pin dropping|| || |
|20||rustling leaves|| || |
|30||whisper|| || |
|40||babbling brook||computer|| |
|50||light traffic||refrigerator|| |
|60||conversational speech||air conditioner|| |
|75||toilet flushing||vacuum cleaner|| |
|80||alarm clock||garbage disposal|| |
|85||passing diesel truck||snow blower|| |
|90||squeeze toy||lawn mower||arc welder|
|95||inside subway car||food processor||belt sander|
|100||motorcycle (riding)|| ||handheld drill|
|105||sporting event|| ||table saw|
|110||rock band|| ||jackhammer|
|115||emergency vehicle siren|| ||riveter|
|120||thunderclap|| ||oxygen torch|
|125||balloon popping|| || |
|130||peak stadium crowd noise|| || |
|135||air raid siren|| || |
|140||jet engine at takeoff|| || |
|145||firecracker|| || |
|150||fighter jet launch|| || |
|155||cap gun|| || |
|160||shotgun|| || |
|165||.357 magnum revolver|| || |
|170||safety airbag|| || |
|175||howitzer cannon|| || |
|180||rocket launch|| || |
|...|| || || |
|194||sound waves become shock waves|| |
Most noise levels are given in
which are decibels adjusted to reflect the ear's response to different frequencies of sound. Sudden, brief impulse sounds, like many of those shown at 120 dB or greater, are often given in dB (no adjustment).
Specifics about the measurement of a particular sound source can be found in the
Noise Navigator® Sound Level Database, E-A-R 88-34/HP, by Elliott H Berger, Rick Neitzel, and Cynthia A Kladden, E•A•RCAL Laboratory, 3M Occupational Health & Environmental Safety Division,
an extensive compilation of data on noise level measurements, including many of the values appearing on this chart.
What is a decibel?
What are the safe noise exposure limits?
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