Following the Sept. 11 attacks, air quality concerns were a major issue. The Mamdani administration has released a large number of documents related to this topic. The records total more than 170,000 pages and detail air quality concerns during that time.

These documents have been made public, providing information about the air quality issues that arose after the attacks.

Further details about the documents and their contents are available from the source, for those seeking more information about the air quality concerns and the records that have been released.