Video PlayerClose

Smog lingers over the sky at Suvarnabhumi Airport in Bangkok, Thailand, Jan. 14, 2019. Fine particle matter in the air has reached hazardous levels in Thailand's capital. (Xinhua/Rachen Sageamsak)

Smog lingers over the sky at Suvarnabhumi Airport in Bangkok, Thailand, Jan. 14, 2019. Fine particle matter in the air has reached hazardous levels in Thailand's capital. (Xinhua/Rachen Sageamsak)