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Haze Situation Update (4 November 2026)

04 Nov 2026

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PSI forecast as of 04112026

Singapore, 04 November 2026 – The PSI forecast for 5 Nov 2026 is 51 - 80 (Moderate). 

2.           The PSI forecast and corresponding health advisories should be used for planning next day outdoor activities.

3.           For immediate outdoor activities, please check the 1-hr PM2.5 concentration readings and personal guide on our haze microsite (www.haze.gov.sg) or mobile app (myENV).

Update on Hotspot and Haze Situation

4.           Some showers fell over parts of northern, eastern and western Singapore today. As at 5pm, the 1-hr PM2.5 concentration readings were 17 – 45 µg/m3, in (Band 1, Normal), and the 24-hr PSI was 60 – 69, in the Moderate range. Moderate to dense smoke plumes were observed in southern Kalimantan.

5.           From tomorrow to Saturday, winds are expected to be generally light and variable and showers are forecast over Sumatra, Kalimantan, Singapore and the surrounding region. This would limit the transport of smoke haze towards Singapore.

Activity Guidelines

6.         The health impact of haze is dependent on one's health status, the PSI level, and the length and intensity of outdoor activity. 

7.        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.

Haze hotspots as of 04112026

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 cloud cover.

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