According to a press release of Nanjing University, entangled photons could be fired from a drone at points A and B 100 meters away when reaching an altitude of several tens of meters. The photons met interference from atmospheric turbulence, rainwater, sunlight, etc., but still reached the ground almost unchanged.
Japan JST China news, January 23, 2020
Nanjing University reports successful quantum entanglement delivery from a drone