Kansas City Chiefs fans' broke Seattle Seahawks' fans' record of having the loudest outdoor stadium by creating 142.2 decibels worth of noise at Arrowhead Stadium during a Monday night game on September 29, 2014.

By comparison, standing on an aircraft carrier has a noise level of 140 decibels. Standing 30 feet from a jet at take-off has a noise level of 150 decibels.

The Chiefs tweeted a celebratory infographic declaring Arrowhead the loudest stadium in the world. 

The Seattle Seahawks had previously held the record after their fans produced a thunderous roar of 137.6 dbA at Centurylink Stadium in Seattle, Washington, USA on 2 December 2013.

The loudest stadiums in college football:

Kyle Field (Texas A&M Aggies)
Highest Recorded Decibel Level: 117

Razorback Stadium (Arkansas Razorbacks)
Highest Recorded Decibel Level: 117

Ben Hill Griffin Stadium (Florida Gators)
Highest Recorded Decibel Level: 115

Neyland Stadium (Tennessee Volunteers)
Highest Recorded Decibel Level: 114

Michigan Stadium (Michigan Wolverines)
Highest Recorded Decibel Level: 110

Source: Sports Illustrated www.si.com