SINGAPORE, Sept 10 — Air quality in central Singapore returned to the unhealthy range, with the 24-hour Pollutant Standards Index (PSI) reaching 105 at 8am today, according to...

NEA said that moderate to dense smoke plumes from fires in southern and central Sumatra, as well as West Kalimantan, continued to drift towards Singapore.

Moderate to dense smoke plumes continue to be observed from fires in southern and central Sumatra and Kalimantan, said NEA.