The noise level is measured in decibels. Most sounds range from 30 to 70 decibels. Here is the chart showing common sounds in decibels. Take this chart as a reference.
| Noise | Average decibels (dB) |
|---|---|
| Leaves rustling, soft music, whisper | 30 |
| Average home noise | 40 |
| Normal conversation, background music | 60 |
| Office noise, Traffic inside the car at 60 mph | 70 |
| Vacuum cleaner, the average radio, Alarm clocks | 75 |
| Heavy traffic, window air conditioner, noisy restaurant, power lawnmower | 80–89 (sounds above 85 dB are harmful) |
| Subway, shouted conversation | 90–95 |
| Boom box, ATV, motorcycle | 96–100 |
| School dance | 101–105 |
| Chainsaw, leaf blower, snowmobile | 106–115 |
| rock concert, loud symphony | 120–129 (Dangerous over 30 seconds) |
| Stock car races | 130 (Dangerous over 30 seconds) |
| Fire works, siren at 100 feet | 140 (Dangerous over 30 seconds) |
