Ahead of the 25th anniversary of the Sept. 11 attacks, the city has released thousands of documents on the air quality and health concerns in Lower Manhattan in the months following the attacks.

The public portal also includes files on the city’s response and what they knew about the toxins in the years after.

Corporation Counsel Steven Banks joined NY1 political anchor Errol Louis on “Inside City Hall” Monday to discuss the files and what this means for survivors and their families.

Tap the video player above to watch the interview.