PM 2.5 Levels Surge Beyond Standards Across Bangkok on 15 Jan 2026, Affecting Public Health

This morning, PM 2.5 levels in Bangkok surged beyond the standard across all areas. Bang Rak district recorded red-level air quality, which affects the health of all residents.

FacebookBangkok Air Quality Information CenterThe Bangkok Air Quality Information Center reports the PM 2.5 particulate matter situation in Bangkok on 15 January 2026 at 07:00. The citywide average is 58.5 micrograms per cubic meter (µg/m³), exceeding the standard of 37.5 µg/m³. Below are the top 12 districts with the highest PM 2.5 levels in Bangkok.

1. Bang Rak district: 87.2 µg/m³.

2. Sathorn district: 74.6 µg/m³.

3. Chatuchak district: 74 µg/m³.

4. Pathum Wan district: 72.6 µg/m³.

5. Prawet district: 71.7 µg/m³.

6. Lat Krabang district: 70 µg/m³.

7. Thawi Watthana district: 67.2 µg/m³.

8. Yannawa district: 65.8 µg/m³.

9. Bang Na district: 65.8 µg/m³.

10. Bang Khun Thian district: 65 µg/m³.

11. Lak Si district: 64.8 µg/m³.

12. Nong Khaem district: 62.2 µg/m³.

The particulate matter is trending downward. Overall air quality remains at levels beginning to affect health. The following health recommendations apply.

Orange air quality level: beginning to affect health.

• General public: Use protective equipment such as PM2.5 masks whenever outdoors. Limit time spent on strenuous outdoor activities or exercise. Watch for abnormal symptoms such as coughing, difficulty breathing, or eye irritation.
• At-risk groups: Use protective equipment like PM2.5 masks whenever outdoors. Avoid strenuous outdoor activities or exercise. Follow medical advice and seek prompt medical attention if symptoms occur.

Red air quality level: health effects on all people.

• Avoid outdoor activities.
• If outdoor activity is necessary, always use protective equipment such as PM2.5 masks.
• Seek medical attention immediately if symptoms appear.
• Those with chronic illnesses should stay in pollution-free areas, keep medications and necessary equipment ready, and strictly follow medical guidance.

Thank you to the Facebook page of the Bangkok Air Quality Information Center.