Bangkok chokes on orange-level PM2.5 as Nong Chok tops 80 µg/m³ Bangkok chokes on orange-level PM2.5 as Nong Chok tops 80 µg/m³
WEDNESDAY, JANUARY 28, 2026
Bangkok’s PM2.5 average hit 55.6 µg/m³ at 7am, well above the 37.5 µg/m³ standard, with Nong Chok recording 80.8 µg/m³. The city has entered orange-level air quality, with health warnings and calls to limit outdoor activity.