Thailand’s standard for safe levels of PM2.5 (particles less than 2.5 micrometres in diameter) is 50μg/m3.
The 17 areas are:
1. Kanchanaphisek Road, Bang Khun Thian district (52μg/m3)
2. Rama IV Road, Pathumwan district (52μg/m3)
3. Lat Phrao-Chokchai 4 Road, Wang Thonglang district (60μg/m3)
4. Din Daeng Road, Din Daeng district (57μg/m3)
5. Rama III Road, Yannawa district (51μg/m3)
6. Sukhaphiban 5 Road, Sai Mai district (57μg/m3)
7. Nawamin Road, Bang Kapi intersection (52μg/m3)
8. Sihaburanukit Road, Minburi (54μg/m3)
9. Liabwaree Road, Nong Chok district (51μg/m3)
10. Hiran Ruchi subdistrict, Thonburi district (51μg/m3)
11. Paknam subdistrict, Muang district, Samut Prakarn province (52μg/m3)
12. Mahachai subdistrict, Muang district, Samut Sakhon province (54μg/m3)
13. Suan Siam-Ram-Indra intersection, Khan Na Yao district (55μg/m3)
14. Klong Toei subdistrict, Klong Toei district (52μg/m3)
15. Lat Phrao district (52μg/m3)
16. Khlong Kum subdistrict, Bueng Kum district (53μg/m3)
17. Klong Sam Wa district (54μg/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 Air4Thai.com website or smartphone app, or via bangkokairquality.com.