European Aircraft Noise Services
 

Yearly statistics

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Wädenswil 1, 2020

Number of identified overflights per month:

  01
Jan		 02
Feb		 03
Mar		 04
Apr		 05
May		 06
Jun		 07
Jul		 08
Aug		 09
Sep		 10
Oct		 11
Nov		 12
Dec
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Noise Indicator Lden (Diagram):

  01
Jan		 02
Feb		 03
Mar		 04
Apr		 05
May		 06
Jun		 07
Jul		 08
Aug		 09
Sep		 10
Oct		 11
Nov		 12
Dec
 

Noise Indicator Lden (Table):

Aircraft noise
Month LDay
(07‑20)		 LEvening
(06‑07+20‑22)		 LNight
(00‑06+22-24)		 Lden(1)
(00‑24)		 LDay
(06‑22)		 Ldn(3)
(00‑24)
January 30.6 30.1 ---- 35.4 30.5 34.9
February 34.0 32.6 ---- 36.1 33.7 35.5
March 34.2 30.1 ---- 34.7 33.5 34.1
April 42.4 ---- ---- 40.6 41.3 40.5
May 36.0 ---- ---- 35.5 35.1 35.1
June 36.7 30.5 ---- 36.0 35.9 35.5
July 35.8 ---- ---- 34.3 34.9 33.9
August 35.2 32.3 36.4 42.3 34.7 42.1
September 33.8 ---- ---- 32.6 32.8 32.4
October 35.2 ---- ---- 34.3 34.2 34.1
November 31.2 ---- ---- ---- 30.3 ----
December ---- ---- 31.3 36.2 ---- 36.0
Ø Year 35.9 ---- ---- 36.9 35.1 36.7
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(1)
Lden according to European Environmental Noise Directive 2002/49/EC
Only the above-listed incidents of overflights will be included in the noise calculation, which means that the calculated value will be rather poor for stations with bad overflight detection.
The Lden values contain the evening- (+5dB) and night surcharge (+10dB) according to the 'European Environmental Noise Directive'.
(3)
Ldn same as Lden, but without evening surcharge
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