New York City officials knowingly misled the public about the dangerous air quality following the September 11, 2001 attacks at the World Trade Center (WTC). Despite internal knowledge of toxic and health-threatening conditions at the site of the collapse, authorities repeatedly assured citizens that the air was safe. Current New York City Mayor Zohran Mamdani revealed this information, citing over 170,000 recently released documents detailing post-attack air quality. The city is now making these documents publicly available for the first time. This disclosure raises serious questions about the response to the attacks and the potential long-term health consequences for those exposed. The move aims at transparency regarding the aftermath of the events at the World Trade Center.