Newly Released 9/11 Records Raise Questions About Toxic Air at Ground Zero

New York City has released more than 170,000 pages of previously undisclosed records on air quality, toxic exposure and the official response after the September 11 attacks. The files include internal communications, air-quality reports and the disputed Harding Memo. They raise renewed questions about what officials knew as residents, workers and first responders were repeatedly told that the air around Ground Zero was safe. Some documents indicate that asbestos concerns persisted long after the attacks. Officials also said 68 boxes of records were only found in 2025, with further releases expected over the next year. Thousands of people who worked or lived near the site later developed cancer and respiratory illnesses. Do these documents show that the public was adequately warned about the risks?

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