Noise pollution is structural or severe noise nuisance in the living environment that harms wellbeing and health and for which legal noise limits apply.
How noise pollution works
Noise pollution goes beyond incidental annoyance: it concerns recurring or persistent sound that structurally lowers the quality of living. Where noise nuisance is subjective, noise pollution is often assessed against measurable limits.
Common sources include:
- Road, rail and air traffic
- Industry and business parks
- Hospitality, events and installations
- Neighbour noise in apartments
Loudness is measured in decibels (dB). Authorities set limit values, for example at the façade of dwellings, and often apply a lower permitted level at night than during the day.
Application
In new construction and spatial planning, noise pollution is assessed and limited. Measures include:
- Noise barriers and noise embankments along infrastructure
- Extra sound insulation in façades and roofs
- Quieter asphalt and speed restrictions
- Zoning: keeping sensitive functions away from noise sources
If a limit is exceeded, a municipality or environmental authority can enforce it. Residents can file a report or complaint.
Related terms
- Noise nuisance
- Noise limit
- Decibel
- Noise barrier
- Sound insulation
- Living environment
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