Singapore, 27 September 2026 – Heavy showers fell over Singapore in the late morning and afternoon today. As at 6pm, the 1-hr PM2.5 concentration readings were 12 – 28 µg/m3, in (Band 1, Normal), and the 24-hr PSI was 84 – 123 in the Moderate to Unhealthy range.
Update on Hotspot and Haze Situation
2 Some improvements in the smoke haze situation were observed today due to showers over Singapore and the surrounding region. Dry conditions continued over southern Sumatra and parts of Kalimantan, with moderate to dense smoke plumes observed from fires in these areas.
3 While showers are expected over Singapore and parts of the surrounding region tomorrow, dry conditions are forecast to continue over southern Sumatra and southern Kalimantan tomorrow. With the prevailing winds forecast to blow from the southeast, there remains a risk of smoke haze affecting Singapore. The 24-hr PSI for Singapore is forecast to be in the Moderate to Low Unhealthy range.
Activity Guidelines
4. 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 activities.
5. For updates, visit our haze microsite (www.haze.gov.sg), the NEA website (www.nea.gov.sg), MSS website (www.weather.gov.sg), mobile app (myENV) or follow us on NEA Facebook (www.facebook.com/NEASingapore). For information on the distribution of hotspots detected over the past fortnight in the region, please refer to the ASEAN Specialised Meteorological Centre (ASMC) website at http://asmc.asean.org.
Areas with lighter smoke haze are not indicated as they cannot be clearly discerned from satellite imagery. The full extent of the hotspot and smoke haze situation could not be determined due to extensive cloud cover.
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