Community Noise Equivalent Level (CNEL) is a weighted average of
noise level over time. It is used to compare the noisiness of neighborhoods. CNEL is frequently used in regulations of
airport
An airport is an aerodrome with extended facilities, mostly for commercial Aviation, air transport. They usually consist of a landing area, which comprises an aerially accessible open space including at least one operationally active surf ...
noise
Noise is sound, chiefly unwanted, unintentional, or harmful sound considered unpleasant, loud, or disruptive to mental or hearing faculties. From a physics standpoint, there is no distinction between noise and desired sound, as both are vibrat ...
impact on the surrounding community.
A CNEL exceeding 65db is generally considered unacceptable for a
residential neighborhood
A residential area is a land used in which housing predominates, as opposed to industrial and commercial areas.
Housing may vary significantly between, and through, residential areas. These include single-family housing, multi-family resident ...
.
See also
*
National Council for Economics and Labour
National may refer to:
Common uses
* Nation or country
** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen
Places in the United States
* National, Maryland, ...
, CNEL in Italy
References
Noise pollution
{{Measurement-stub