Haze Situation Update (10 September 2026)

Singapore, 10 September 2026 – Showers occurred over Singapore today. As at 6pm, the 1-hr PM2.5 concentration readings were 38 – 70 µg/m3, in Band 1 – 2 (Normal to Elevated), and the 24-hr PSI was 73 – 104, in the Moderate – Unhealthy range. Update on Hotspot and Haze Situation Moderate to dense smoke plumes continue to be detected from fires in southern Sumatra and Kalimantan. Smoke plumes from southern Sumatra were observed to drift towards Singapore. Some showers are forecast mostly over northern and central Sumatra in the next few days. As dry conditions are expected to continue over Kalimantan and southern Sumatra, there is a risk of smoke haze affecting Singapore should the fires persist, under the prevailing southeasterly or southerly winds. The 24-hr PSI for Singapore is forecast to be in the High Moderate – Low Unhealthy range. Activity Guidelines The health impact of haze is dependent on one’s health status, the PSI level, and the length and intensity of outdoor activity. For immediate outdoor activities, please check the 1-hr PM2.5 concentration readings and personal guide. Use the 24-hr PSI forecast and corresponding health advisories for planning next day outdoor activ