Mon, October 25, 2021


Air quality unhealthy in 29 provinces, including 33 Bangkok districts

Air pollution in 33 districts around Bangkok hit unsafe levels on Sunday morning with PM2.5 readings of 39 to 72 micrograms per cubic metre (μg/m3), the Bangkok Metropolitan Administration's Air Quality and Noise Management Division reported.

Thailand’s standard for safe levels of PM2.5 (particles less than 2.5 micrometres in diameter) is 50μg/m3.

The 33 districts where air pollution hit unsafe levels were:

In Bangkok: Bueng Kum (72μg/m3), Nong Chok (72μg/m3), Bang Kapi (67μg/m3), Lat Krabang (66μg/m3), Don Muang (64μg/m3), Prawet (63μg/m3), Bang Khen (63μg/m3), Thawi Watthana (62μg/m3), Klong Toei (62μg/m3), Lak Si (61μg/m3), Bangkok Yai (60μg/m3), Minburi (60μg/m3), Wang Thonglang (60μg/m3), Yannawa (59μg/m3), Bangkok Noi (58μg/m3), Taling Chan (58μg/m3), Phra Nakhon (58μg/m3), Bangna (57μg/m3), Chatuchak (57μg/m3), Khlong San (56μg/m3), Bang Sue (56μg/m3), Phasi Charoen (55μg/m3), Khlong Sam Wa (54μg/m3), Khan Na Yao (54μg/m3), Samphanthawong (54μg/m3), Suan Luang (54μg/m3), Bang Bon (53μg/m3), Pathumwan (53μg/m3), Phya Thai (53μg/m3), Lat Phrao (52μg/m3), Dusit (51μg/m3), Chom Thong (51μg/m3) and Bang Phlat (51μg/m3).

Air quality also is at unhealthy levels in Pathum Thani, Nonthaburi, Samut Sakhon, Samut Prakarn, Chiang Rai, Phayao, Chiang Mai, Nan, Lampang, Phrae, Sukhothai, Phitsanulok, Tak, Kamphaeng Phet, Phichit, Phetchabun, Uthai Thani, Lopburi, Saraburi, Suphan Buri, Ayutthaya, Prachinburi, Chachoengsao, Chonburi, Rayong, Nong Khai, Khon Kaen, Chaiyaphum and Nakhon Ratchasima provinces.

PM2.5 readings in different regions:

North: 34 to 79 μg/m3.

Northeast: 36 to 72 μg/m3.

Central and West: 34 to 86μg/m3.

East: 32 to 58μg/m3.

South: 9 to 33μg/m3.

People in areas where PM2.5 pollution is bad have been advised to monitor their health and reduce time spent on outdoor activities, especially the elderly, children, and patients with respiratory diseases.

The PM2.5 situation can be followed via the website or smartphone app, or via

Published : January 24, 2021

By : The Nation