Great dust smothers Mae Hong Son

Masks prompted as air quality at record low Pai district in Mae Hong Son province, one of the finest understood traveler locations in the North, skilled the greatest level of harmful ultrafine dust in the nation on Wednesday. The greatest level of PM2.5 — 356 micrograms per cubic metre (µg/m3) — was taped in tambon Wiang Tai, according to a everyday report of air quality information from the Pollution Control Department (PCD). The PM2.5 levels acrossthecountry varied from 10 to 356 µg/m3 while the safe level is 50 µg/m3. The PM2.5 levels in the North on Wednesday varied from 35 to 356 µg/m3, while in Bangkok and the surrounding provinces, they were inbetween 29 and 99 µg/m3, it stated. Levels in the Northeast varied from 33 to 125 µg/m3, while those in the Central Plains tape-recorded hovered inbetween 32 and 63 µg/m3. The air quality in the East and the South, ontheotherhand, was ranked reasonable to really great on W
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