During May 20–21, 2026, the Division of Buildings and Facilities, Safety and Security Section, assigned the housekeeping team to carry out activities in accordance with the University of Phayao's Big Cleaning Day plan, commencing cleaning operations at the Demonstration School of University of Phayao and the Participatory Community-Based Holistic Health Promotion Center for the Elderly, University of Phayao. On May 25, 2026, the housekeeping team is scheduled to proceed with cleaning operations at the University of Phayao Hospital and will subsequently continue operations in other designated areas as outlined in the operational plan.

In this operation, the housekeeping team carried out cleaning activities including sweeping, washing, and wiping surfaces in various areas, maintaining classrooms, laboratories, restrooms, corridors, common areas, and high-touch points, as well as collecting and disposing of waste and debris in an orderly manner, covering both the interior and exterior of the buildings.

This operation was aimed at maintaining cleanliness and elevating hygiene standards within the university, building confidence in cleanliness and safety, and preparing the facilities to support the opening of the academic semester and the return of students, pupils, personnel, and service users to the premises. It also sought to reinforce the university's commitment to being a clean, pleasant, safe, and enabling environment for learning, working, and sustainable living.