Expect slightly hazy mornings over next few days

Expect slightly hazy mornings over next few days

SINGAPORE - The hazy skies that affected Singapore on Tuesday morning are expected to persist over the next few mornings, as southerly winds blow smoke here from forest fires in Indonesia.

The three-hour Pollutant Standards Index (PSI) reading hit 56 at 2pm, the highest since the June 30 reading of 71. A PSI reading of zero to 50 is "good", while a reading above 50 up to 100 is "moderate". Anything above 100 is considered "unhealthy".

The latest spike is still relatively low compared with levels on June 21, when the reading peaked at 401 in the "hazardous" range.

But there was a buzz online on Tuesday as people posted photos on social media and voiced worries that the pollution was back.

Ms Geraldine Hor, a 24-year-old recruiting manager, said she could smell the haze from her 27th-storey office in Raffles Place. "There was a burnt smell in the morning," she said.

The National Environment Agency (NEA) said Singapore may experience slightly hazy conditions in the mornings over the next few days, due to low-level winds blowing from the south.

Thundery showers forecast for late morning and early afternoon today are set to bring some relief. As of 4pm on Tuesday, the 24-hour PSI ranged from 30 to 37.

Professor Ong Choon Nam, director of the National University of Singapore's Environmental Research Institute, said it was hard to predict when the haze would return.

"It depends on the wind direction, the number of fire spots over the past week and whether it will increase, and the rainfall in the region," he said.

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