The National Environment Agency expects the 24-hour Pollutant Standards Index to remain between 51 and 80 on Monday, keeping conditions within the moderate range. Although dense smoke plumes were observed in Kalimantan, anticipated regional showers are forecast to keep the haze subdued through Wednesday. Sunday's rainfall over several parts of the island also helped curb deteriorating air quality. The agency advises the public to review one-hour particulate metrics to guide immediate outdoor physical activities.
Key points
Rainfall across Singapore, Sumatra, and Kalimantan is expected to keep regional haze subd…: Rainfall across Singapore, Sumatra, and Kalimantan is expected to keep regional haze subdued through Wednesday.
Residents should rely on one-hour PM2.5 readings to make immediate decisions regarding ou…: Residents should rely on one-hour PM2.5 readings to make immediate decisions regarding outdoor physical activities.
Vulnerable individuals must avoid strenuous outdoor exertion if one-hour PM2.5 concentrat…: Vulnerable individuals must avoid strenuous outdoor exertion if one-hour PM2.5 concentrations enter the elevated band.
Sources checked by our analysis pipeline: 1
1-hour PM2.5 readings are in the normal range across all regions.
SINGAPORE: The 24-hour Pollutant Standards Index (PSI) across Singapore on Monday (Nov 2) was in the good-to-moderate range, as 1-hour PM2.5 readings were in the normal range.
At 8am, the hourly PM2.5 readings ranged from 26 to 44 to across the five regions, all within the normal band. The PSI readings ranged from 64 to 84.
Air quality has remained in the good-to-moderate range since 11pm on Oct 25, following an earlier spell of hazy conditions.
On Sunday, showers fell over the northern, western and eastern parts of Singapore, said NEA in its haze situation update, adding that localised moderate to dense smoke plumes were observed in Kalimantan.
The 24-hour PSI is forecast to be in the moderate range on Monday, between 51 and 80.
"For tomorrow, the haze situation over Singapore is expected to remain subdued due to showers over Sumatra, Kalimantan and Singapore and the surrounding region," said NEA on Sunday.
"While the prevailing winds are expected to blow from the east or southeast on Tuesday and…
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