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Air quality hits unhealthy levels in northern part of Singapore

SINGAPORE — Air quality in Singapore entered the unhealthy range on Saturday (Feb 27) as the Pollutant Standards Index (PSI) went beyond the 100 mark.

A file photo of haze in Singapore.

A file photo of haze in Singapore.

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SINGAPORE — Air quality in Singapore entered the unhealthy range on Saturday (Feb 27) as the Pollutant Standards Index (PSI) went beyond the 100 mark. 

At 7pm on Saturday, the 24-hour PSI reading in the northern part of Singapore breached the 100 mark to hit 102. 

The reading edged up to 108 at 8pm before dropping to 104 at 9pm and 90 at 10pm.

According to the National Environment Agency (NEA), PSI readings of 50 and below denote “good” air quality, “moderate” for 51-100 and “unhealthy” for 101-200.

As of 10pm, the rest of the readings were:

  • 61 in the south

  • 70 in the east

  • 58 in the west

  • 65 in the central region

According to NEA's website, isolated to scattered hot spots were detected over much of the sub-region on Saturday.

"Thin to moderate smoke haze was observed over much of the sub-region, with dense smoke haze observed over Myanmar, Thailand and Cambodia. However, in areas with cloud cover, the full extent of the smoke haze could not be fully discerned," it stated.

"Most of the air quality stations in the central parts of the Mekong sub-region reported 'Unhealthy' air quality values, with a few in the northeastern Thailand and its central highland regions reporting 'Very Unhealthy' air quality." 

A screenshot of the 24-hour PSI reading as of 7pm in Singapore on NEA's website on Feb 27, 2021.

Isolated hot spots were also detected in Peninsular Malaysia, northern Sumatra and western Kalimantan, NEA said.

"Thin to moderate smoke haze was observed over parts of southwestern Kalimantan, with dense smoke haze observed to emanate from a cluster of hotspots in western Kalimantan," it added.

"However, the full extent of the smoke haze situation over Sumatra and Peninsular Malaysia could not be discerned due to cloud cover."

Looking ahead, NEA said on its website that dry weather is expected to persist over the Mekong sub-region over the next few days. As such, the hot spot and smoke haze situations are likely to remain elevated.

It added that dry conditions are also expected to persist over Peninsular Malaysia, Singapore, the northern and central parts of Sumatra, as well as the western and southern parts of Borneo Island, increasing the risk of hot-spot activities in these areas.

CNA has asked NEA for more information. CNA

For more stories like this, visit cna.asia

Related topics

haze NEA PSI air quality

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