NYC Mayor Zohran Mamdani released 170,000 files on Tuesday showing negligence on behalf of previous city officials pertaining to air quality concerns.

In November 2001, the concentration of carcinogens benzene and asbestos was still spiking, continuing into 2002, documents reportedly show.

New York City has released more than 170,000 pages of previously undisclosed records about air quality following the September 11, 2001, attacks, showing city officials at the…