Worries about Covid-19 may be gone, but PM2.5 is back, plunging Thailand into yet another crisis.
As the ultra-fine dust accumulates, blanketing many provinces, businesses and households are increasingly complaining about the health and economic impact.
The northern city of Chiang Mai, a top tourism destination, this month earned the unwanted title of worst air quality on the IQAir global index, reported by a Swiss technology company that monitors air quality in major cities worldwide.
Chiang Mai was rated as having the world’s worst air pollution, with unsafe levels of PM2.5 for two consecutive days: March…
