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NYC Releases 40,000 More 9/11 Records as Public Archive Expands

October 23, 2026
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Home › Blog › NYC Releases 40,000 More 9/11 Records as Public Archive Expands

New York City has released another 40,000 records related to the September 11 attacks and their aftermath, expanding a public archive created just last month after years of demands for greater transparency.

The October 21 release is the second installment of records being made public under a court agreement between 911 Health Watch and the Mamdani Administration. More than 200,000 pages are now available through the City’s September 11th records portal, and additional records are expected to be released in the coming months.

The release builds on a process that began just last month. The documents are available through the city’s September 11th records portal, launched in September as part of a settlement of two Freedom of Information Law lawsuits seeking records about air quality, health risks, and government decisions following the attacks 25 years ago. That initial release delivered more than 170,000 pages and marked the first time the city had made this scale of 9/11-related material publicly searchable.

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What the Latest 9/11 Records Release Includes

The City says the newly expanded archive includes records sought for years by first responders, survivors, elected officials, advocates, and families of people who developed 9/11-related illnesses.

As of October 21:

  • 40,000 additional City records have been released to the public.
  • More than 200,000 pages are now available through the September 11th records portal.
  • The archive includes the Harding Memo and materials known as the “68 Boxes.”
  • The City’s FY27 budget includes $34 million to create and maintain the public records portal.
  • This is only the second installment of records being released under the agreement, with additional disclosures expected in the coming months.

The Harding Memo has particular significance in the larger history of the City’s post-9/11 response. Written in October 2001, it addressed potential litigation arising from toxic exposure following the attacks.

The New Release Builds on What the First 9/11 Files Revealed

The significance of this second release is easier to understand in light of the records that have already become public.

The first 170,000 pages included internal communications and other City records concerning air-quality messaging, environmental cleanup, potential legal liability, and the preservation of World Trade Center-related documents. Those records have added new detail to longstanding questions about what government officials knew about environmental hazards after September 11 and how the City responded as residents, workers, students, and others returned to Lower Manhattan.

911 Health Watch Executive Director Benjamin Chevat said the organization’s review of the records released so far has raised concerns about whether City, state, and federal officials sufficiently changed course after the extent of the environmental hazards became clearer. That is 911 Health Watch’s assessment of the documents; the review of the larger archive is still continuing.

More 9/11 Records Are Still Coming

The latest release substantially expands the material available to the public, but the second batch has only begun to be reviewed. A fuller understanding of what these newly released records contain will take time, just as the significance of the first 170,000 pages became clearer as advocates, attorneys, journalists, and others examined them.

For now, the latest release marks another step in creating a more complete public record of New York City’s response to September 11 and the environmental health concerns that followed.

Pitta & Baione LLP will continue to follow the release and review of the 9/11 Files as additional records become public. Please contact us to schedule a confidential consultation.