Major Airport Lden — OpenDataNI

Source Lden  Lnight  Lday  Levening  LAeq,16hr  Major Airports - Belfast International Airport  The day-evening-night level indicator for overall annoyance, based upon annual average A-weighted long-term sound over 24 hours. It includes a 5 dB(A) penalty for evening noise (19:00-23:00) and a 10 dB(A) penalty for night-time noise (23:00-07:00) The night level indicator for sleep disturbance, based upon the A-weighted, Leq (equivalent sound level) determined over all the 8-hour night periods (23:00-07:00) of a year The day level, the A-weighted, Leq (equivalent sound level), determined over all the 12-hour day periods (07:00-19:00) of a year The evening level, the A-weighted, Leq (equivalent sound level) determined over all the 4-hour evening periods (19:00-23:00) of a year The equivalent continuous sound level in dB(A) that, over the period 07:00-23:00 hours, Publisher: OpenDataNI (via data.gov.uk). Delivered as a cleaned, analysis-ready CSV table.

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OpenDataNI