This morning, PM2.5 levels in Bangkok are trending downward and remain within standard limits at all monitoring stations.
On 13 December 2025, the Bangkok Air Quality Information Center summarized PM2.5 measurements from 05:00 to 07:00 (latest 3 hours), recording values between 16.9 and 34.8 micrograms per cubic meter, with an average of 24.4 micrograms per cubic meter across Bangkok (standard limit not exceeding 37.5). PM2.5 levels are trending downward and are within standard limits at all monitoring stations.
At 07:00, PM2.5 concentrations ranged from 16.9 to 34.3 micrograms per cubic meter, showing a slight increase compared to the same time yesterday, but still within standards at all monitored areas (standard limit not exceeding 37.5 micrograms per cubic meter).
Related factors (forecast of weather conditions affecting PM2.5 levels): from 13 to 21 December 2025, ventilation conditions are mostly 'weak' with atmospheric layers near the surface alternating between open and closed. During 13-15 December, rain and strong winds are expected, likely reducing particulate concentration to moderate or low levels. Today’s forecast includes cool morning temperatures with light rain in some areas.
Satellite hotspot data from NASA show no abnormal heat sources detected over Bangkok, indicating no unusual surface heat anomalies.
The public is advised to check air quality information before going outside through the following channels:
Additionally, if the public observes pollution sources, they can report tips via Traffy Fondue.