The city's first lady is traveling to New Hampshire Friday.

Chirlane McCray will be using her trip to promote the city's focus on initatives on mental health and fighting the opioid epidemic.

She will be touring Safe Station, which is a system of firehouses that offer help to those seeking treatment for substance abuse. 

She also will visit a mobile crisis response team.

Then, McCray is on to Harvard, to deliver a speech to a global mental health conference.

The first lady is expected to return to the city Sunday night.