Thailand’s standard for safe levels of PM2.5 (particles less than 2.5 micrometres in diameter) is 50μg/m3, while the World Health Organisation sets it at 25μg/m3.
The areas affected are:
Bangkok:
Bang Khunthien (59μg/m3)
Thonburi (51μg/m3)
Wang Thonglang (60μg/m3)
Din Daeng (57μg/m3)
Phra Khanong (63μg/m3)
Dusit (53μg/m3)
Pom Prab Sattru Phai (56μg/m3)
Samphanthawong (51μg/m3)
Phya Thai (52μg/m3)
Yannawa (58μg/m3)
Thawee Watthana (55μg/m3)
Suan Luang (59μg/m3)
Bang Na (68μg/m3)
Chatuchak (55μg/m3)
Sai Mai (72μg/m3)
Bang Kapi (62μg/m3)
Lat Krabang (73μg/m3)
Min Buri (65μg/m3)
Nong Chok (74μg/m3)
Prawet (73μg/m3)
Khlong San (52μg/m3)
Bangkok Yai (55μg/m3)
Bangkok Noi (52μg/m3)
Taling Chan (58μg/m3)
Phasi Charoen (52μg/m3)
Nong Khaem (62μg/m3)
Bang Bon (60μg/m3)
Thung Khru (52μg/m3)
Bang Khen (62μg/m3)
Bang Phlat (52μg/m3)
Don Mueang (61μg/m3)
Khan Na Yow (62μg/m3)
Huai Khwang (53μg/m3)
Klong Toei (61μg/m3)
Bang Sue (55μg/m3)
Lat Phrao (57μg/m3)
Lak Si (59μg/m3)
Saphan Sung (53μg/m3)
Bueng Kum (62μg/m3)
Klong Sam Wa (67μg/m3)
Chom Thong (60μg/m3)
Bang Khae (54μg/m3)
Samut Prakan:
Phra Pradaeng (53μg/m3)
Muang (52μg/m3)
Bang Sao Thong (64μg/m3)
Nonthaburi:
Muang (51μg/m3)
Samut Sakhon:
Krathum Baen (55μg/m3)
Muang (64μg/m3)
Pathum Thani:
Khlong Luang (57μg/m3)
Nakhon Pathom:
Muang Nakhon Pathom (67μg/m3)
People in areas where PM2.5 levels are high have been advised to monitor their health and reduce the time spent outdoors, especially the elderly, children and patients with respiratory diseases.
The PM2.5 problems can be tracked via Air4Thai.com and bangkokairquality.com websites or the Air4Thai and AirBKK smartphone applications.