Air Pollution Levels on 26 Jan 2026: PM 2.5 Exceeds Standards in Many Bangkok Areas, Starting to Affect Health

Check air pollution levels on 26 Jan 2026: many areas in Bangkok report PM 2.5 surpassing standards, entering levels that begin to affect health.

FacebookBangkok Air Quality Information CenterThe report on fine particulate matter (PM 2.5) in Bangkok as of 26 January 2026 at 07:00 shows an average concentration of 39.4 micrograms per cubic meter (µg/m³), exceeding the standard of 37.5 µg/m³. The top 12 districts with the highest PM 2.5 levels in Bangkok are as follows:

1. Lat Krabang district: 53.1 µg/m³.

2. Nong Khaem district: 52 µg/m³.

3. Taling Chan district: 48.7 µg/m³.

4. Nong Chok district: 48.6 µg/m³.

5. Thawi Watthana district: 47.6 µg/m³.

6. Khlong Sam Wa district: 47.5 µg/m³.

7. Sai Mai district: 47 µg/m³.

8. Prawet district: 45.9 µg/m³.

9. Bang Rak district: 44.3 µg/m³.

10. Min Buri district: 43.7 µg/m³.

11. Bang Sue district: 43.6 µg/m³.

12. Don Mueang district: 43.3 µg/m³.

• Northern Bangkok: 34.5 - 47 µg/m³; overall: levels beginning to affect health.
• Eastern Bangkok: 33 - 53.1 µg/m³; overall: levels beginning to affect health.
• Central Bangkok: 32.8 - 43 µg/m³; overall: moderate levels.
• Southern Bangkok: 28.6 - 44.3 µg/m³; overall: levels beginning to affect health.
• Northern Thonburi: 30.7 - 48.7 µg/m³; overall: levels beginning to affect health.
• Southern Thonburi: 31.1 - 52 µg/m³; overall: moderate levels.

Particulate matter levels are trending upward. Overall air quality is at levels beginning to affect health. Health recommendations for orange-level air quality (beginning to affect health) are as follows:

• General public: Use personal protective equipment such as PM 2.5 masks whenever going outdoors, limit time spent on strenuous outdoor activities or exercise, and watch for symptoms like coughing, difficulty breathing, or eye irritation.
• At-risk groups: Use protective equipment such as PM 2.5 masks every time you go outside, avoid strenuous outdoor activities or exercise, follow medical advice, and seek medical attention promptly if symptoms occur.

Thanks to the Facebook page of the Bangkok Air Quality Information Center.