The death toll in the frontier state mounted to 184 as three more persons succumbed to the virus, he said.
The Capital Complex Region reported the highest number of new infections at 98, followed by East Siang (38), Lohit (32), West Kameng (27), Tawang (24), Papumpare (23), Changlang (22), Upper Subansiri and Leparada at 18 each, Lower Dibang Valley (15), Kamle (14) and West Siang (13).
The state now has 3,363 active cases, while 34,736 people have recovered from the disease so far, State Surveillance Officer (SSO) Lobsang Jampa said.
The recovery rate and positivity rate stood at 90.73 per cent and 7.4 per cent, respectively, the official said.
Altogether, 8,00,789 samples have been tested for COVID-19 in the state, including 5,458 since Wednesday, Jampa said.
Meanwhile, State Immunisation Officer Dimong Padung said a total of 6,74,729 people have been vaccinated in Arunachal Pradesh thus far.