CHIANG MAI, Feb 17 – Haze pollution covering parts of Thailand’s northern provinces is worrisome, with the particulate dust particle level rising over the safety standard with airports needing to turn on runways light to increase visibility for aircraft taking off and landing.

Supeera Laddachayaporn, head of the local environmental quality surveillance unit in Lampang, said that smog in the province is the more concern than other provinces in the region. Thick haze has blanketed the province for three days, contributing to the level of dust particles rising over the safety standard.

Read more: MCOT