The smog was even worse in greater Bangkok on Tuesday, with hazardous dust levels of 51-93 microgrammes and the highest pollution in Krathum Baen and Muang districts of Samut Sakhon.
The levels of particulate matter with 2.5 micrometres or less in diameter (PM2.5) ranged from 51-93 microgrammes per cubic metre of air in the past 24 hours, compared with the 50mcg safe threshold, the Pollution Control Department reported.
(Screenshot from aqicn.org/city/bangkok)
The worst situation was in Samut Sakhon province where dust levels exceeded 90mcg in tambon Om Noi of Krathum Baen district and on Rama II Road in Muang district.
In Bangkok, hazardous air pollution areas were along Kanchanaphisek Road in Bang Khunthian district, in Bang Na sub-district of Bang Na district, Khlongchan sub-district in Bang Kapi district, Din Daeng sub-district and on Din Daeng Road in Din Daeng district, Rama IV Road in Pathumwan district, Intharaphitak Road in Thon Buri district, Lat Phrao Road and in Phlab Phla sub-district of Wang Thonglang district, and Phaya Thai sub-district of Phaya Thai district.
(Screenshot from aqicn.org/city/bangkok)
Unhealthy smog was also reported in tambon Nakhon Pathom of Muang district in Nakhon Pathom province; tambon Bang Kruai of Bang Kruai district in Nonthaburi province; tambon Khlong Nueng of Khlong Luang district in Pathum Thani province; and tambon Song Khanong and tambon Talad of Phra Pradaeng district, tambon Pak Nam of Muang district and tambon Bang Sao Thong of Bang Sao Thong district in Samut Prakan province.
The skyline is seen through polluted air in Bangkok on Monday. (Reuters photo)
The Pollution Control Department attributed the conditions to stagnant air and said forecast winds should alleviate some of the problem on Wednesday.
The website aqicn.org, however, forecast continuing high levels of cancer-causing particulate dust for the next week.
Video from the Royal Thai Armed Forces
(Screenshot from aqicn.org/city/bangkok)