Haze Situation Update (17 September 2026)

3.         Dry conditions are expected to continue over southern Sumatra and southern Kalimantan. With the prevailing winds forecast to blow from the southeast to southwest, there is a risk of smoke haze affecting Singapore. The 24-hr PSI for Singapore is forecast to be in the High Moderate – Low Unhealthy range. 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...