Bangkok Air Quality Data Center Summary of PM2.5 measurement results on March 9, 2023, between 1:00 PM and 3:00 PM (last 3 hours), PM2.5 values tend to decrease. But still exceeded the standard at the level that began to affect health in 69 areas: 1. Ratchathewi district 2. Samphanthawong district 3. Phayathai district 4. Wang Thonglang district 5. Pathumwan district 6. Bangrak district 7. Bang Kho Laem district 8. Yannawa district 9. Chatuchak district 10. Bangkapi district 11. Lat Krabang District 12. Thon Buri District 13. Khlong San District 14. Bangkoknoi District 15. Phasi Charoen District 16. Bang Khen District 17. Bang Phlat District 18. Bang Khun Thian District 19. Phra Nakhon District 20. Sathorn District 21. Khlong Toei District 22. Bang Sue District 23. Lak Si District 24. Bueng Kum District 25. Suan Luang District 26. Lat Phrao District 27. Khlong Sam Wa district 28. Sai Mai district 29. Huai Khwang district 30. Saphan Sung District 31. Pom Prap Sattru Phai District 32. Bang Khae District 33. Chom Thong District 34. Don Mueang District 35. Din Daeng District 36. Phra Khanong District 37. Rat Burana District 38. Bangkok Yai District 39. Taling Chan District 40. Thawi Watthana District 41. Dusit District 42. Nong Khaem District 43. Bang Bon District 44. Thung Khru District 45. Wattana District 46. Bang Na District 47. Khan Na Yao District 48. Min Buri District 49. Nong Chok District 50. Prawet District 51. Lumpini Park Pathum Wan District (Pathum Wan District) 52. Vajirabenchatat Park Chatuchak District (Chatuchak District) 53. Chatuchak Park Chatuchak District (Chatuchak District) 54. Suan Luang Rama IX Prawet District (Prawet District) 55. Queen’s 60th Birthday Anniversary Garden, Lat Krabang District (Lat Krabang District) 56. Benjasiri Park (Benjasiri Park) Khlong Toei District (Khlong Toei District) 57. Rommanee Park, Thung Sikan District, Don Mueang District (Don Mueang District) 58. Thon Buri Rom Garden, Thung Khru District (Thung Khru District) 59. Benjakiti Park, Khlong Toei District (Khlong Toei District) 60. Queen Sirikit Park, Chatuchak District (Chatuchak District) 61. Chaloem Phra Kiat 80th Birthday Park, Bangkok Noi District (Bangkok Noi district) 62. Seri Thai Park, Bueng Kum District (Bueng Kum District) 63. Bang Khae Phirom Park, Bang Khae District (Bang Khae District) 64. Thawi Wanarom Garden, Thawi Watthana District (Thawi Watthana District) 65. Phra Nakhon Park, Lat Krabang District (Lat Krabang District) 66 Nong Chok Garden, Nong Chok District (Nong Chok District) 67. Ram Inthra Sports Park, Bang Khen District (Bang Khen District) 68. Peace Park, Ratchathewi District (Ratchathewi District) 69. Suan Luang Rama 8, Bang Phlat District (Bang Phlat District)