Short answers, pulled from the story.
Arrowhead Stadium's noise record stands at 142.2 decibels, set on the 29th of September 2014, during a Monday Night Football game against the New England Patriots. That surpassed a brief record held by Seattle's CenturyLink Field, which had reached 137.6 decibels on the 2nd of December 2013.
Arrowhead Stadium opened for the 1972 NFL season. The first preseason game was played on the 12th of August 1972, when the Kansas City Chiefs defeated the St. Louis Cardinals 24-14.
Arrowhead Stadium has a seating capacity of 76,416, making it the fourth-largest NFL stadium and the largest sports facility by capacity in Missouri. The largest crowd ever recorded there was 82,094, for a regular-season game on the 5th of November 1972.
Arrowhead Stadium will host six matches during the 2026 FIFA World Cup, including four group stage games, one Round of 32 match, and one quarterfinal. For FIFA-regulated marketing purposes, the stadium will temporarily be called Kansas City Stadium during the tournament.
Health insurer GEHA purchased naming rights to Arrowhead Stadium beginning with the 2021 season, renaming it GEHA Field at Arrowhead Stadium. The agreement runs through January 2031, aligned with the expiration of the Chiefs' lease with the Jackson County Sports Complex Authority.
On the 22nd of December 2025, the Chiefs announced plans to relocate to a new stadium in Wyandotte County, Kansas, scheduled to open for the 2031 NFL season. Arrowhead Stadium is expected to be demolished following the 2031 season.