Air quality remained in the moderate range on Friday (Sept 25), and is forecast to remain in the range till tomorrow.
At 6pm, 24-hour Pollutant Standards Index (PSI) ranged from 61 to 79 — in the moderate range — with central Singapore recording the highest reading of 79.
Meanwhile, one-hour PM2.5 is in the normal band across all five regions.
In its daily haze situation update on Friday evening, the National Environment Agency (NEA) said the country’s 24-hour PSI is forecast to be in the moderate range.
Explaining its forecast, NEA said that while moderate to dense smoke plumes were observed from fires in part of Kalimantan and southern Sumatra, showers are expected over Singapore and parts of the surrounding region tomorrow.
“(This) could help reduce the risk of smoke haze,” it added.
Data from the ASEAN Specialised Meteorological Centre showed that the number of hotspots in Kalimantan fell from 792 on Sept 23, to 472 on Sept 24.
Members of the public should check the one-hour PM2.5 concentration before participating in any immediate outdoor activities.
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