Newly released documents reveal that officials were aware of potential air quality dangers after the 9/11 attacks. The release of over 170,000 records, announced by Mayor Zohran Mamdani, sheds light on the knowledge city officials had about the air near Ground Zero. A document known as the "Harding Memo" discusses the potential for thousands of lawsuits due to exposure to the air and lack of safety equipment.

Further details about the documents and their contents are available. The release of these records comes days before the anniversary of the 9/11 attacks.

More information can be found through additional reporting on the topic.