Chiang Rai dust particle levels at highest in country’s north
CHIANG RAI, Feb 27 – Dust particles in this northern province on Monday were measured at the highest level in the region at 295.5 micrograms per cubic metre, its governor said.
Thanin Supasaen spoke of the haze situation in Mae Sai district, adding the particles were measured at 253.7 microgrammes per cubic metre in the provincial seat.
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