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New York City Mayor Mamdani releases documents related to post-9/11 air quality

NPR | By Brian Mann,
Michel Martin
Published September 9, 2026 at 1:46 AM PDT

New York City has released 170,000 documents it says show officials knew the air quality around the World Trade Center after 9/11 was dangerous to breathe, but they didn't warn local residents.

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Brian Mann
Michel Martin
Michel Martin is a host of Morning Edition.
See stories by Michel Martin