The North and South Towers on September 11, 2001, from the 9/11 Commission Report and NIST's investigation. Select a person or marker to read what is documented.
8:46:00 a.m.
Tuesday, September 11, 2001, Eastern time
Section view looking east from the Hudson: north is left, south is right. Stairwell dots show an illustrative flow at about one floor per minute, not individual people. Smoke drifts southeast, as it did that morning.