Update: PM 2.5 dust levels in Bangkok today have surged beyond standards to the orange level, beginning to affect health in 59 areas.
On 2 Jan 2026 GMT+7, the Bangkok Air Quality Information Center reported the PM 2.5 dust situation from Bangkok's air quality monitoring stations at 07:00 a.m. The 24-hour average PM 2.5 dust levels were measured.
The measurements ranged from 37.4 to 70.3 micrograms per cubic meter (µg/m³), exceeding the standard at the orange level, which indicates beginning health impacts (standard is no more than 37.5 µg/m³) across 59 areas, which are:
1. Pathumwan district, in front of Samyan Mitrtown mall: 70.1 µg/m³.
2. Bang Rak district, beside the police booth in front of Bang Rak Lovely Plaza: 66.3 µg/m³.
3. Sathorn district, intersection in front of the Sathorn district office, Saint Louis Soi: 61.4 µg/m³.
4. Chatuchak district, in front of Kasetsart University: 58.6 µg/m³.
5. Bang Sue district, inside the Bang Sue district office: 55.3 µg/m³.
6. Samphanthawong district, in front of the corner of Chalerm Phrakiat Gate (Odeon Circle): 53.6 µg/m³.
7. Bang Phlat district, inside the Bang Phlat district office: 51.7 µg/m³.
8. Khlong Sam Wa district, inside the Khlong Sam Wa district office: 50.9 µg/m³.
9. Bang Khun Thian district, inside the Bang Khun Thian district office: 50.7 µg/m³.
10. Bang Kho Laem district, at the police booth at the intersection of Thanon Tok: 50.5 µg/m³.
11. Phasi Charoen district, in front of Siam University (near Phetkasem Soi 36) university entrance: 49.8 µg/m³.
12. Bangkok Noi district, in front of Bangkok Noi Railway Police Station: 48.9 µg/m³.
13. Lat Krabang district, in front of Nakharin Hospital: 48.4 µg/m³.
14. Khlong Toei district, inside the Khlong Toei district office: 48.1 µg/m³.
15. Phra Nakhon district, inside the Phra Nakhon district office: 47.7 µg/m³.
16. Rat Burana district, inside the Rat Burana district office: 47.5 µg/m³.
17. Bueng Kum district, inside the Bueng Kum district office: 47.4 µg/m³.
18. Phaya Thai district, in front of the Army flats near Vichaiyut Hospital opposite the Ministry of Finance: 47.2 µg/m³.
19. Lak Si district, inside the Lak Si district office: 46.7 µg/m³.
20. Prawet district, in front of Seacon Square shopping mall: 46.0 µg/m³.
21. Phra Khanong district, inside the Phra Khanong district office: 45.6 µg/m³.
22. Thawi Watthana district, entrance to Sanam Luang 2: 45.2 µg/m³.
23. Ratchathewi district, inside the Ratchathewi district office: 44.6 µg/m³.
24. Bang Khen district, inside the Bang Khen district office: 44.5 µg/m³.
25. Min Buri district, Chalerm Phrakiat R.9 Park opposite the Min Buri district office: 44.5 µg/m³.
26. Khlong San district, in front of the library under Somdet Phra Chao Taksin Bridge: 44.2 µg/m³.
27. Yannawa district, near Krungsri Bank Headquarters: 44.1 µg/m³.
28. Nong Khaem district, three-way junction beside the police booth on Majaroen Road, Phetkasem 81: 44.1 µg/m³.
29. Thonburi Rom Park, Thung Khru district: 44.1 µg/m³.
30. Chalerm Phrakiat 80th Birthday Park, Bangkok Noi district: 43.7 µg/m³.
31. Taling Chan district, Phutthamonthon Sai 1 Road intersecting Borommaratchachonnani Road: 43.5 µg/m³.
32. Lat Phrao district, inside the Lat Phrao district office: 43.4 µg/m³.
33. Chom Thong district, inside the Chom Thong district office: 43.4 µg/m³.
34. Bang Khae district, inside the Bang Khae district office: 43.3 µg/m³.
35. Chalerm Phrakiat 6th Cycle Park, Bang Kho Laem district: 42.6 µg/m³.
36. Thung Khru district, in front of King Mongkut’s University of Technology Thonburi: 42.4 µg/m³.
37. Bang Na district, in front of Big C Bang Na shopping mall: 42.4 µg/m³.
38. Thonburi district, by the bus stop at Maihaisawan intersection: 42.1 µg/m³.
39. Don Mueang district, beside the Don Mueang district office: 41.7 µg/m³.
40. Tawee Wanaram Park, Thawi Watthana district: 41.6 µg/m³.
41. Bang Bon district, near Bang Bon market: 41.4 µg/m³.
42. Wang Thonglang district, in front of Bangchak gas station, Ladprao Soi 95: 41.2 µg/m³.
43. Din Daeng district, along Vibhavadi Rangsit Road: 40.9 µg/m³.
44. Suan Luang Rama 8 Park, Bang Phlat district: 40.9 µg/m³.
45. Queen Sirikit 60th Birthday Park, Lat Krabang district: 40.8 µg/m³.
46. Santiphap Park, Ratchathewi district: 40.7 µg/m³.
47. Bangkok Yai district, at Tha Phra intersection, Wat Tha Phra subdistrict: 40.0 µg/m³.
48. Nong Chok district, in front of Nong Chok district office: 40.0 µg/m³.
49. Seri Thai Park, Bueng Kum district: 39.9 µg/m³.
50. Pom Prap Sattru Phai district, in front of the Office of the National Economic and Social Development Council: 39.6 µg/m³.
51. Khan Na Yao district, at the entrance of Suan Siam Road intersecting Ram Inthra Road: 39.3 µg/m³.
52. Bang Khae Phirom Park, Bang Khae district: 39.1 µg/m³.
53. Queen Sirikit Park, Chatuchak district: 39.0 µg/m³.
54. Sai Mai district, bus stop in front of Sai Mai district office: 38.5 µg/m³.
55. Benjakitti Park, Khlong Toei district: 38.1 µg/m³.
56. Ramindra Sports Park, Bang Khen district: 38.1 µg/m³.
57. Benjasiri Park, Khlong Toei district: 37.8 µg/m³.
58. Dusit district, by the garden opposite the Dusit district office: 37.7 µg/m³.
59. Wachirabenjathat Park, Chatuchak district: 37.7 µg/m³.
Air quality index from Bangkok monitoring stations: mostly at levels indicating beginning health effects.
The Meteorological Department forecasts for Bangkok: cool mornings with strong winds and temperatures dropping by 1–2 degrees Celsius.
Health recommendations: Orange air quality level: beginning to affect health.
General public: Use protective equipment such as PM 2.5 masks whenever going outdoors. Limit time spent on strenuous outdoor activities or exercise. Watch for unusual symptoms such as coughing, difficulty breathing, or eye irritation.
At-risk groups: Use protective equipment such as PM 2.5 masks whenever going outdoors. Avoid strenuous outdoor activities or exercise. Follow medical advice and promptly see a doctor if abnormal symptoms occur.
Related factors (forecast of weather conditions affecting PM 2.5 dust based on meteorological conditions):
From 2 to 9 Jan 2026, ventilation is rated "good/moderate" with strong winds, so dust concentration is expected to gradually decrease. Today's forecast: cool morning, strong winds, and temperature dropping by 1–2 degrees Celsius.
Satellite hotspot data from NASA shows no unusually high heat spots detected over the Bangkok area.
Alerts and public information advise citizens to check air quality before leaving home via:
If citizens spot sources of pollution, they can report clues via Traffy Fondue.