Haze watch: PSI remains in moderate range across Singapore

Singapore has seen improved air quality in the first two days of October, with 24-hour Pollutant Standards Index (PSI) remaining in the moderate range for a second consecutive day on Friday (Oct 2).

At 9am, PSI ranged between 61 and 75 — in the moderate range — with central Singapore recording the highest reading of 75, followed by the southern (72) and eastern (72) regions.

Meanwhile, one-hour PM2.5 was well within the normal band across all five regions.

In its daily haze situation update issued on Thursday evening, the National Environment Agency had said that the country's 24-hour PSI forecast is expected to be in the moderate to low-unhealthy range.

It added that moderate to dense smoke plumes were observed in southern Sumatra and Kalimantan, and that smoke haze from southern Kalimantan was seen drifting towards the vicinity of Singapore. 

Despite showers forecast for Singapore and the surrounding region, prevailing south-easterly or southerly winds could transport smoke haze towards the Republic, NEA said.

Members of the public are advised to check the one-hour PM2.5 concentration readings before taking part in any immediate outdoor activities.

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