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 air transport. Airports usually consists of a landing area, which comprises an aerially accessible open space including at least one operationally active surface ...
noise
Noise is unwanted sound considered unpleasant, loud or disruptive to hearing. From a physics standpoint, there is no distinction between noise and desired sound, as both are vibrations through a medium, such as air or water. The difference arise ...
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 reside ...
.
See also
*
National Council for Economics and Labour
The National Council for Economics and Labour (in italian, ''Consiglio nazionale dell'economia e del lavoro'' or CNEL) is a constitutional organ provided for by Article 99 of Constitution of Italy and established in 1957.
The CNEL is an assembly ...
, CNEL in Italy
References
Noise pollution
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