Bangkok’s PM2.5 levels were at a moderate level today, with Sathorn recording the highest concentration and residents advised to stay alert.
The Bangkok Air Quality Information Centre reported the situation for fine particulate matter measuring no more than 2.5 microns (PM2.5) in Bangkok on December 22, 2025, at 7.00am.
The citywide average was 28.2 micrograms per cubic metre (µg/m³) (standard limit: 37.5 µg/m³).
Top 12 districts with the highest PM2.5 levels in Bangkok
Area-by-area summary
North Bangkok
East Bangkok
Central Bangkok
South Bangkok
North Thonburi
South Thonburi