The Bangkok Air Quality Division reported that 19 of its monitors showed PM2.5 dust in the 51-90mg/m3 range, where it starts to impact on health.
A level of more than 90mg/m3 is considered hazardous to health.
The 19 monitoring stations showing unsafe levels of PM2.5 were:
- Klong Sam Wa district office: 56mg/m3
- Pathumwan district in front of Samyan Mitrtown mall: 56
- Thonburi district at Mahaisawan Intersection: 55
- Wang Thong Lang district at Esso petrol station on Soi Lat Phrao 95: 54
- Nong Khaem district police booth on Ma Charoen Road: 54
- Lat Krabang district in front of Lat Krabang Hospital: 54
- Khlong San district under Taksin bridge: 54
- Bang Sue district office: 54
- Bang Phlat district office: 53
- Prawet district in front of Seacon Square mall, 53
- Yannawa district near Bank of Ayudhya head office: 53
- Samphanthawong district at Odeon roundabout: 53
- Bangkok Yai district at Tha Phra Intersection: 53
- Bueng Kum district office: 52
- Lak Si district office: 51
- Sathorn district office: 51
- Phasi Charoen district in front of Siam University: 51
- Nong Chok district office: 51
- Bang Khun Thian district office: 51