This Morning Bangkok Faces Severe PM 2.5 Pollution Levels Exceeding Standards in Multiple Areas, Beginning to Affect Health

Bangkok residents face harsh conditions this morning as PM 2.5 levels in the city have exceeded standards in many areas, reaching levels that begin to affect health. The pollution trend is increasing.

FacebookBangkok Metropolitan AdministrationA post stated that the Bangkok Air Quality Data Center reported the PM 2.5 particulate matter situation in Bangkok on 20 Dec 2025 at 07:00 GMT+7. The citywide average was 36.7 micrograms per cubic meter (µg/m³), just below the standard limit of 37.5 µg/m³. The report listed the top 12 districts with the highest PM 2.5 levels in Bangkok.

1. Bang Na District: 48.1 µg/m³

2. Prawet District: 47.4 µg/m³

3. Chatuchak District: 44.6 µg/m³

4. Min Buri District: 43.6 µg/m³

5. Bang Rak District: 42.9 µg/m³

6. Nong Khaem District: 42.7 µg/m³

7. Sathorn District: 42.6 µg/m³

8. Pathum Wan District: 42.2 µg/m³

9. Khlong Sam Wa District: 41.4 µg/m³

10. Lat Krabang District: 41 µg/m³

11. Bang Sue District: 40.1 µg/m³

12. Nong Chok District: 40.1 µg/m³

Northern Bangkok ranges from 32.7 to 44.6 µg/m³ overall: Moderate level

Eastern Bangkok ranges from 25.3 to 47.4 µg/m³ overall: Levels beginning to affect health

Central Bangkok ranges from 27.4 to 37.7 µg/m³ overall: Moderate level

Southern Bangkok ranges from 28.9 to 48.1 µg/m³ overall: Levels beginning to affect health

Northern Thonburi ranges from 33.3 to 37.5 µg/m³ overall: Moderate level

Southern Thonburi ranges from 32.9 to 42.7 µg/m³ overall: Moderate level

The particulate matter is expected to increase. Overall, air quality is at a moderate level, with the following health recommendations:

Air Quality Level Orange: Beginning to affect health

• General public: Use protective equipment such as PM 2.5 masks every time you go outdoors. Limit the duration of strenuous outdoor activities or exercise. Monitor for symptoms like coughing, difficulty breathing, or eye irritation.

• At-risk groups: Use protective equipment such as PM 2.5 masks whenever outdoors. Avoid strenuous outdoor activities or exercise. Follow medical advice and seek medical attention promptly if symptoms develop.

Thanks to the Facebook page of Bangkok Metropolitan Administration.