Recent documents suggest that New Yorkers were misled about the air quality following the September 11 attacks, raising serious concerns about the risks of toxic air. Mayor Mamdani is set to address the release of these 9/11-related documents on Tuesday, amidst ongoing frustration from NYC mayors over the legacy of missing information regarding toxic substances. The revelations have reignited a 25-year-long legacy of anger over the handling of air quality issues in the aftermath of the attacks.