CHIANG MAI, 14 March 2014 (NNT) – The smog situation in Chiang Mai has been critical for the fourth day, affecting health of the locals and tourism of the province.

A lot of foreign tourists, especially those in the Mueang district, in Chiang Mai have been reportedly disturbed by the worsening smog. The latest amounts of PM10 have been measured at 125 micrograms/cubic meter at the Chiang Mai City Hall and 120 micrograms/cubic meter at Yupharat Withayalai School. The two PM1o levels have health impacts on human health.

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