BANGKOK (The Nation/Asia News Network): Seventy air-quality monitoring stations reported unsafe levels of air pollution in Bangkok as of 7amon Wednesday (Feb ay, with the number rising to 80 by noon, the Bangkok Air Quality centre said.
Four stations detected “red” levels of PM2.5.
PM2.5 refers to fine particles of dust in the air. It can penetrate deep into the lungs and cause premature death from lung and heart conditions, especially among the elderly and those with health complications.
Any level of PM2.5 above 50 micrograms per cubic metre of air (µg/m3) is unsafe. A “red” level refers to PM2.5 above 90 µg/m3.
The four stations where red levels of PM2.5 were detected are:
- Bang Na’s monitoring station in front of BigC shopping mall: 102 µg/m3
- Prawet, in front of Seacon Square shopping mall: 102 µg/m3
- Nong Khae, at Ma Charoen Intersection: 98 µg/m3
- Bang Bon, near Suksawat Market: 91 µg/m3