LAMPANG, Feb 10 – Dust particle levels in Thailand’s northern provinces have increased, while Chiang Mai’s airport has to turn on spotlights along the whole runway area due to poor visibility.

Regarding the haze and smog situation, the average dust particles recorded in northern provinces has risen, with Phrae at 112 microgrammes/cubic metre and Lampang at 106 microgrammes/cubic metre.

Read more: MCOT