Tuesday, August 20, 2013

Haze in Singapore due to Sumatra fires: NEA - Channel News Asia

SINGAPORE: The skies over Singapore were slightly hazy on Tuesday.

The National Environment Agency (NEA) said the haziness was due to smoke from fires in southern Sumatra, brought over by the southwesterly winds overnight.

At 1pm, the 3-hour PSI hit the moderate range of 55, edging up to 56 at 2pm and 3pm before coming down to the good range.

At 7pm, the 3-hour PSI stood at 27. 

The PSI reading in Singapore hit a record high of 401 on 21 June this year as a result of smog from forest fires in Indonesia.

However, the NEA website indicated the number of hotspots in Sumatra decreased from 82 on Monday to 29 on Tuesday. 

"However, due to extensive cloud cover in the central and northern regions of Sumatra, we cannot be certain of the exact situation. Nevertheless, recent showers over central and southern Sumatra would have helped to further subdue the hotspot activities there," said NEA.

It added that over the next few days, Singapore may experience slightly hazy conditions in the morning due to the accumulation of particulate matter under light wind conditions.

"The 24-hour PSI for the next 24 hours is expected to be in the higher end of the 'good' band (that is ≤50). The 24-hour PM2.5 is expected to be slightly elevated," said NEA. "All persons can continue with normal activities." 

Thundery showers are forecast over Singapore in the late morning and early afternoon on Wednesday, it added.

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