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Important note:: The noise levels of TMR-40 Viladecans (Ballena Alegre) for the period from 04/28/2015 to 04/25/2016 are affected by a deviation of +2.6 dB (A). The deviation was due to continued damage to the equipment, which caused an increase recorded from the actual noise signal. The deviation has been verified empirically in the annual analysis of accumulated data. We apologize for any inconvenience.

From 1 January 2009 the Night period is considered continuous: from 23:00 to 07:00 the following day. The Night period is assigned to the day of 23:00.

By agreement of the Technical Noise Working Group, the sound-level meters for measurement terminal-40 Ballena Alegre and measurement terminal-41 Bon Soleil started operating in January 2008.

By agreement of the Technical Noise Working Group, the sound-level meters: measurement terminal-1 Gavà Mar Police, measurement terminal-7 Viladecans water treatment plant and measurement terminal-11 Castelldefels Polytechnic University were removed in December 2007.

The information prior to 24 June 2005 about El Prat terminal (J.Balmes School) corresponds to its previous location (Prat Local Police).


Since September 2018 the data produced by the company EMS Brüel & Kjaer Ibérica S.A. have been endorsed through ENAC Exp accreditation. No. 13311 / LE2466. No data prior to this date is endorsed through ENAC accreditation.

* Data not endorsed by ENAC accreditation Exp. Nº 13311/LE2466

ND. No data available.

The value 0 indicates that no noise associated with the aeronautical source has been recorded.