Guinness World Record for loudest crowd at an outdoor stadium

CenturyLink Field (now Lumen Field) was recognized by Guinness World Records for the loudest crowd noise at an outdoor stadium, recording 137.6 decibels in 2013. The measurement was attributed to Seattle Seahawks fans during a home game and cited as a notable example of crowd noise in sports. The stadium is the Seahawks' and Sounders FC's primary home venue.