Singapore, 29 September 2023 – As of 29 September 2023, 3pm, the 24-hr Pollutant Standards Index (PSI) is 81 (Moderate range) in the East region of Singapore. Accordingly, the 28 public agencies that make up the Government’s Haze Task Force (HTF), are ready to roll out their respective haze action plans should the air quality deteriorate into the Unhealthy range (24-hour PSI above 100). There has been an increase in the number of hotspots over Sumatra in the past few days, with 241 and 145 hotspots detected on 27 and 28 September 2023 respectively. Moderate to dense smoke haze was observed over parts of south and central Sumatra.