3 The Pollution Control Department reports the PM2.5 particles have risen to unhealthy levels in Bangkok and surrounding provinces.
6 Unhealthy levels of particulate matters have persisted in Bangkok with the hardest-hit area on Sam Sen Road.
6 Concerned authorities at Bangkok and Laem Chabang ports have implemented measures to fight against particulate matter 2.5 micrometres.
9 Deputy Prime Minister directed policies to officials in nine northern provinces to prepare for the annual haze, generally hitting the region in the dry season.
5 The dust pollution in Bangkok and nearby provinces has worsened as the level of the particulate matter on Rama II Road in Samut Sakhon province, on the outskirts of Bangkok, reached 113 microgrammes per cubic metre on Tuesday morning.
