Bangkok Residents Face High PM2.5 Levels This Morning, Exceeding Standards and Affecting Health

This morning, PM2.5 dust levels in many parts of Bangkok exceeded the standard, reaching levels that begin to impact health.

On 30 Dec 2025, the Bangkok Air Quality Data Center reported the PM2.5 dust situation in Bangkok as of 07:00, with the city's average at 41.8 micrograms per cubic meter (µg/m³), exceeding the standard of 37.5 µg/m³.

Top 12 districts with the highest PM2.5 levels in Bangkok:

1. Sathorn district: 56.9 µg/m³.

2. Chatuchak district: 53.9 µg/m³.

3. Bang Rak district: 52.9 µg/m³.

4. Bang Khun Thian district: 51.6 µg/m³.

5. Bang Bon district: 50.3 µg/m³.

6. Pathum Wan district: 47.9 µg/m³.

7. Chom Thong district: 47.8 µg/m³.

8. Phasi Charoen district: 47.5 µg/m³.

9. Nong Khaem district: 46.8 µg/m³.

10. Prawet district: 46.5 µg/m³.

11. Khlong Sam Wa district: 45.4 µg/m³.

12. Ratchathewi district: 45.2 µg/m³.

• Northern Bangkok:

37.5 - 53.9 µg/m³. Overall: Levels beginning to affect health.

• Eastern Bangkok:

33.7 - 46.5 µg/m³. Overall: Levels beginning to affect health.

• Central Bangkok:

33.6 - 45.2 µg/m³. Overall: Levels beginning to affect health.

• Southern Bangkok:

32.8 - 56.9 µg/m³. Overall: Levels beginning to affect health.

• Northern Thonburi:

37.5 - 47.8 µg/m³. Overall: Levels beginning to affect health.

• Southern Thonburi:

43 - 51.6 µg/m³. Overall: Levels beginning to affect health.

Dust levels tend to be rising, with overall air quality in the orange category, indicating the start of health impacts. Health recommendations for orange-level air quality are as follows:

• General public: Use protective gear such as PM2.5 masks whenever outdoors, limit duration of outdoor activities or strenuous exercise, and watch for symptoms like coughing, difficulty breathing, or eye irritation.
• At-risk groups: Use protective gear such as PM2.5 masks whenever outdoors, avoid strenuous outdoor activities or exercise, follow medical advice, and seek medical attention immediately if symptoms appear.