PSI Forecast for planning outdoor activities on 4 November 2026.
PSI forecast for 4 November 2026 is 51–80, within the Moderate range.

Good–Moderate PSI (0–100): Healthy persons, elderly people, pregnant women, children, and persons with chronic lung or heart disease can continue normal activities. Advice is based on the high end of the PSI forecast.

Current Air Quality

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North
West
Central
East
South
Advisory unavailable.
1-hr PM2.5 reading (µg/m3)
MinMaxCurrent
24-hr PSI
MinMaxCurrent

Maps are to be used solely for displaying air quality/hotspot information, and not for any other purpose. All maps are not to scale and are for illustrative purposes only.

PM2.5 sub-index
MinMaxCurrent
PM10 sub-index
MinMaxCurrent
SO2 sub-index
MinMaxCurrent
O3 sub-index
MinMaxCurrent
CO sub-index
MinMaxCurrent
NO2 sub-index
MinMaxCurrent

Hotspots

The hotspots are derived from satellite data and may be affected by cloud cover and the satellite coverage

Refer to Meteorological Service Singapore for more details

Latest Weather and Haze Situation

Showers were observed over many parts of the ASEAN region today, except over parts of Borneo, Peninsular Malaysia, the southern parts of Sumatra where it was relatively drier. Few to isolated hotspots were detected in the Kalimantan, Sumatra and Viet Nam. Moderate to dense smoke plumes were observed in the southern parts of Kalimantan and the central parts of Sulawesi while slight localised smoke plumes observed to emanate from a few hotspots detected in Viet Nam. Moderate to dense smoke haze was also observed in the southern parts of Papua. The full extent of the hotspot and smoke haze situation in the region could not be fully determined due to cloud cover.
Updated on 5:08 PM 06 November

Weather and Haze Outlook

In the coming days, showers are expected over many parts of the ASEAN region, except over the southern parts of Sumatra where it is forecast to be relatively drier. The hotspot and smoke haze situation may improve in areas experiencing showers, but isolated hotspots and smoke plumes may continue to develop in areas facing prolonged dry conditions. The prevailing winds over the southern ASEAN region are forecast to be variable in direction, while the prevailing winds over the northern ASEAN region are forecast to be northeast or east.
Updated on 5:08 PM 06 November


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Legend

dense haze legend
Dense Haze
moderate haze legend
Moderate Haze
hotspot legend
Hotspot
wind legend
2500ft wind
wind speed legend
Wind speed (km/h)

Health Advisory

NEA PSI Poster