Unsafe smog levels covered most of greater Bangkok on Monday morning, with the worst air in Bangkok’s Lat Krabang district and Samut Prakan’s Muang district, the Pollution Control Department reported.
The levels of particulate matter 2.5 micrometre and less in diameter (PM2.5) ranged from 42-77 microgrammes per cubic metre of air over the previous 24 hours. The government-set safe threshold is 50mcg.
Unsafe levels were reported in the following districts:
In other provinces, PM2.5 levels ranged from 15 to 128mcg. The lowest was in Betong district of Yala and the highest in Sri Maha Phot district of Prachin Buri.
Unsafe levels were detected in some districts of Ayutthaya, Chachoengsao, Chon Buri, Kanchanaburi, Khon Kaen, Lampang, Loei, Nakhon Ratchasima, Nakhon Sawan, Nan, Phayao, Phrae, Ratchaburi, Rayong, Sa Kaeo, Saraburi, Suphan Buri and Tak provinces.