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Thundery showers are expected in Singapore for the next few days but haze may persist: NEA, Environment News & Top Stories



SINGAPORE – Thundery showers are forecast over Singapore and parts of Sumatra for the next few days, bringing some improvement to the haze situation in the region, the National Environment Agency (NEA) said on Wednesday evening (Sept 25).

But the agency said Singapore may still experience occasional hazy conditions if winds blow smoke from Sumatra towards Singapore.

Although recent showers have brought some respite from the haze, hot spot activities in Sumatra can be expected to continue.

A total of 115 hot spots were detected on Wednesday, and hot spot activities were still observed in central and southern Sumatra.

For the next 24 hours, NEA said one-hour PM2.5 concentration readings are expected to be within normal range and 24-hr Pollutants Standards Index (PSI) readings are expected to be in good and moderate range.

The prevailing winds are expected to be light and variable in direction, and may occasionally blow from the south-east or south.

On Wednesday, widespread thundery showers over Singapore in late morning and afternoon improved air quality in Singapore.

At 8pm on Wednesday, the 24-hour PSI was 60-64 in moderate range, and the one-hour PM2.5 was 16-42 micrograms per cubic m in the normal band.


A view of the distribution of hot spots detected on Sept 25, 2019. PHOTO: NEA


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