Haze from Sumatra and Kalimantan spreads to Singapore, southern Vietnam and Sarawak
Transboundary smoke haze was observed over Singapore and reached as far as southern Vietnam on Monday morning, the ASEAN Specialised Meteorological Centre said. Moderate to dense haze was detected in central and southern Sumatra, West and Central Kalimantan, parts of Sarawak and Peninsular Malaysia, with Singapore's central region recording an unhealthy 24-hour PSI of 102.