Mayor Bill de Blasio and Fire Commissioner Daniel Nigro presided over the ceremony in Morrisania section.
A sign at Boston Road and East 169th Street is now co-named in honor of Arroyo.
The 14-year veteran was killed last year when a man with a history of mental illness stole her ambulance and ran her over with it.
Jose Rodriguez is charged with first degree murder, grand larceny and operating a motor vehicle while impaired by drugs.
Yadi, as she was known, was remembered as a loving mother of four boys and as a skilled medic whose work at Station 26 was a calling, not a job.
Earlier this year, more than 100 EMTs and paramedics gathered to mark the one year anniversary of her death.
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