The PM2.5 concentrations as of February 14, 2026, in Bangkok slightly improved, with Bang Rak recording a moderate concentration of 35 µg/m 3 compared to the orange levels of 42-52 µg/m 3, which reduced the health hazards facing the locals. Din Daeng remains at a moderate 38 µg/m 3, which is less than the 50 µg/m 3 based on the …
