Key Facts

• The city released more than 170,000 pages of municipal records on air quality after the 9/11 attacks.
• The release was made through an online portal for public access.
• The records include an internal memo discussing the city’s potential legal responsibility for air pollution effects.
• The documents reveal that New York City officials, including former Mayor Rudy Giuliani, knew the air was dangerous.
• Officials gave false public assurances that it was safe to breathe the air near Ground Zero.
• The release came after the settlement of lawsuits by 9/11 Health Watch demanding access to these records.
• The release happens shortly before the 25th anniversary of the 9/11 attacks.
• City leaders and advocates said this is the first time such information has been made available after being withheld for 25 years.