While PM2.5 levels remain at safe levels in other parts of the country, they have risen beyond the safety threshold of 37.5μg/m3 in most areas of Bangkok, the Pollution Control Department (PCD) reported.
Levels in Bangkok and its suburbs ranged from 24.6 to 55.7 µg/m³ on Friday. Most areas are experiencing air quality that begins to impact health, the PCD said.
It warned that still air would lead to high PM2.5 concentrations in the capital until October 28.
Bangkok regularly appeared at the top of world pollution rankings in February and March this year.
The current surge in PM2.5 marks the return of seasonal pollution as the fine dust gathers in stagnant air amid high-pressure weather conditions.
The Bangkok Metropolitan Administration advised people in areas of high pollution to reduce outdoor activity and wear protective masks when necessary. Anyone experiencing health…
