Legal Noise Limits Explained
Know the regulations for workplace, residential, and public noise. Complete guide to OSHA, EPA, and WHO sound level standards.
Workplace Noise Standards (OSHA)
In the US, OSHA sets limits for workplace noise exposure:
85 dB for 8 hours is the action level
Employers must provide hearing protection and testing when noise exceeds this level.
| Sound Level | Maximum Exposure Time |
|---|---|
| 90 dB | 8 hours |
| 95 dB | 4 hours |
| 100 dB | 2 hours |
| 105 dB | 1 hour |
| 110 dB | 30 minutes |
| 115 dB | 15 minutes or less |
No exposure above 115 dB is permitted
WHO Guidelines
The World Health Organization recommends:
To prevent sleep effects
During daytime for comfort
To prevent serious annoyance
For good speech intelligibility
Residential Noise Limits
Local regulations vary, but typical limits include:
Daytime Hours (7 AM - 10 PM)
Nighttime Hours (10 PM - 7 AM)
Check your local ordinances - rules vary by city and county
Construction Noise
EPA and local regulations typically limit:
80-90 dB at property line
Time Restrictions
Most areas allow loud construction only during specific hours (e.g., 7 AM - 7 PM on weekdays)
Equipment Requirements
Many cities require mufflers on construction equipment
Enforcement and Complaints
If you experience excessive noise:
- 1.Measure noise levels with our tool to document the issue
- 2.Check your local noise ordinances (usually available on your city's website)
- 3.Contact your local police department or noise control department
- 4.Keep records of when noise occurs and measured levels
- 5.Consider mediation before legal action
International Standards
European Union
87 dB daily workplace exposure limit
80 dB lower action level (hearing protection must be available)
United Kingdom
85 dB upper action level
137 dB peak sound pressure level
Australia
85 dB(A) for 8 hours
140 dB(C) peak sound pressure
Measure Your Noise Levels
Use our free decibel meter to check if your environment meets safety standards.
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