Air quality in central, eastern and western Singapore remained in the unhealthy range on Wednesday (Oct 7), with hourly PM2.5 readings also in the elevated band across most of the country.
At 9am, the 24-hour Pollutant Standards Index (PSI) reading was 131 in central Singapore, 120 in the east and 119 in the west. Air quality in the north and south remained in the moderate range.
As for hourly PM2.5 readings, only the north registered a normal reading, at 48. Readings in the rest of Singapore were in the elevated band, ranging from 56 to 84.
In its Tuesday evening advisory, the National Environment Agency (NEA) said that scattered hotspots were detected in Kalimantan and Sumatra, while a few hotspots were detected elsewhere in southern Southeast Asia.Moderate to dense smoke plumes from southern Sumatra and West Kalimantan were observed drifting towards Singapore, NEA said.
With dry weather forecast to persist over Kalimantan and southern and central Sumatra, as well as prevailing east-southeasterly to southeasterly winds, smoke haze is likely to continue drifting to Singapore.
The 24-hour PSI in Singapore is forecast to be in the high moderate to mid unhealthy range, NEA said.
CNA
