Travelers returning to New York after April 1 will no longer need to go into a 14-day quarantine. Symptoms still need to be monitored for a 14-day period. The quarantine order will remain in effect for international travelers. All travelers are still required to to fill out the Traveler Health Form. Individuals who travel should continue strict adherence to all safety guidelines including wearing masks, staying socially distant and avoiding gatherings.
Source:
https://www.governor.ny.gov/news/governor-cuomo-announces-quarantine-domestic-travel-will-no-longer-be-required-starting-april