Transboundary haze from Indonesian forest fires has covered lower southern Thailand (Songkhla, Yala, Pattani, Narathiwat) for a third day. PM2.5 in Yala city reached 41.6 µg/m³, in the orange "starts affecting health" band. The deputy governor asked people, especially those with breathing problems, to wear masks and cancel outdoor activities. The haze is expected to persist through the weekend. For a business: plan outdoor work and events around this, and consider masks and indoor arrangements for staff and customers, especially where workers have respiratory conditions.