A spokesperson with the MTA says they've identified 15 subway cars without functioning AC.

New York City subway riders are trying to keep cool amid the extreme heart, where sweltering temperatures can make it downright unbearable to wait for the next train.

NEW YORK (PIX11) — The weather follows people around from the street to the subway. Maintenance crews check AC units in subway cars at many end-of-line stations, taking temperature readings … ...