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Average Noise Per Day LEQ Aircraft and Community — June 2017

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Sea-Tac Airport
Noise

This report from the Port of Seattle presents daily average noise levels recorded at Sea-Tac Airport monitoring stations (NMTs) throughout June 2017. It breaks down sound levels in decibels (dB LEQ) into three categories: community noise, aircraft noise, and a combined total, measured at more than 20 locations surrounding the airport. The data shows that aircraft noise levels frequently exceeded community noise levels at many monitoring sites, with some stations recording combined totals above 65 dB on multiple days.

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Port Of Seattle noise monitoring report covering daily average LEQ (equivalent continuous sound level) measurements for aircraft noise, community noise, and total noise at Sea-Tac Airport noise monitoring terminals (NMTs) SEA01 through SEA4B for June 1–30, 2017. Data generated August 2, 2017, sorted by date and NMT station. Includes readings for stations SEA01, SEA03, SEA05, SEA06, SEA07, SEA08, SEA09, SEA10, SEA11, SEA13, SEA14, SEA15, SEA16, SEA17, SEA18, SEA19, SEA20, SEA21, SEA22, SEA23, SEA25, SEA28, and SEA4B. LEQ values range from approximately 31 to 77 dB across community and aircraft noise categories.

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