Thailand’s standard for safe levels of PM2.5 (particles less than 2.5 micrometres in diameter) is 50 μg/m3.
The 14 areas are:
1. Thonburi district’s Intharaphithak Road (51 μg/m3)
2. Wang Thonglang’s Lat Phrao-Chokchai 4 Road (53 μg/m3)
3. Din Daeng Road (56 μg/m3)
4. Pom Prap Sattru Phai’s Krung Kasem Road (52 μg/m3)
5. Lat Krabang Road (52 μg/m3)
6. Prawet’s Srinakarin Road (52 μg/m3)
7. Klong San’s Charoen Nakhon Road (51 μg/m3)
8. Bangkok Yai’s Tha Phra intersection (57 μg/m3)
9. Phasi Charoen’s Petchkasem Road (52 μg/m3)
10. Nong Khaem’s Ma Charoen-Phetkasem 81 Road (53 μg/m3)
11. Om Noi subdistrict, Krathum Baen district, Samut Sakhon (54 μg/m3)
12. Pak Nam subdistrict, Mueang district, Samut Prakan (57 μg/m3)
13. Mahachai subdistrict, Mueang district, Samut Sakhon (57 μg/m3)
14. Bueng Kum’s Khlong Kum subdistrict (51 μg/m3)
People in areas where PM2.5 pollution is bad have been advised to stay indoors and monitor their health.
The PM2.5 situation can be followed via the Air4Thai.com website or smartphone app, or on bangkokairquality.com, the department said.