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Chiang Mai pollution
By modsquad, Created on: 11/03/2015, Last updated on: 01/05/2016
ยป Can any of you confirm this? Chiang Mai province has recorded air quality levels that are worse than last year due to haze caused by slash and burn farming. The level of fine dust particles in the air at Yupparaj Witthayalai School in central Chiang Mai was measured at 256 micrograms per cubic...
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