http://www.ccohs.ca/oshanswers/phys_agents/noise_basic.html
| Comparative Noise Levels | |
| Typical Decibel (dBA) Values Encountered in Daily Life and Industry* |
|
| Rustling leaves | 20 dBA |
| Room in a quiet dwelling at midnight | 32 |
| Soft whispers at 5 feet | 34 |
| Men's clothing department of large store | 53 |
| Window air conditioner | 55 |
| Conversational speech | 60 |
| Household department of large store | 62 |
| Busy restaurant | 65 |
| Typing pool (9 typewriters in use) | 65 |
| Vacuum cleaner in private residence (at 10 feet) | 69 |
| Ringing alarm clock (at 2 feet) | 80 |
| Loudly reproduced orchestral music in large room | 82 |
| Beginning of hearing damage if prolonged exposure over 85 dBA | |
| Printing press plant | 86 |
| Heavy city traffic | 92 |
| Heavy diesel-propelled vehicle (about 25 feet away) | 92 |
| Air grinder | 95 |
| Cut-off saw | 97 |
| Home lawn mower | 98 |
| Turbine condenser | 98 |
| 150 cubic foot air compressor | 100 |
| Banging of steel plate | 104 |
| Air hammer | 107 |
| Jet airliner (500 feet overhead) | 115 |