The National Environment Agency reported that 24-hour Pollutant Standards Index readings remained moderate across Singapore between 71 and 78 on Thursday. However, hourly PM2.5 levels climbed into the elevated range specifically within the western region, touching 57 by 11am after starting in the normal band earlier in the morning. Anticipated rainfall through Saturday combined with southeasterly to southwesterly winds should continue mitigating haze risks.
Key points
Healthy individuals should reduce strenuous outdoor activity for an hour whenever PM2.5 r…: Healthy individuals should reduce strenuous outdoor activity for an hour whenever PM2.5 readings become elevated.
Vulnerable groups including children, pregnant women, and the elderly are advised to avoi…: Vulnerable groups including children, pregnant women, and the elderly are advised to avoid strenuous outdoor activities entirely during elevated pollution periods.
Favorable winds will likely prevent smoke haze from drier parts of Kalimantan from drifti…: Favorable winds will likely prevent smoke haze from drier parts of Kalimantan from drifting toward Singapore.
Sources checked by our analysis pipeline: 1
The hourly PM2.5 entered the range at 11am with a reading of 57.
SINGAPORE: The hourly PM2.5 reading in the west entered the elevated range on Thursday morning (Oct 29) while air quality remained moderate in all regions.
At 11am, the PM2.5 reading ranged from 43 to 57, with the highest reading in the west. The 24-hour Pollutant Standards Index ranged from 71 to 78.
The National Environment Agency (NEA) is forecasting moderate air quality on Thursday.
In its advisory on Wednesday evening, NEA said the 24-hour PSI is forecast to range between 60 and 90 on Thursday.
Air quality has remained in the good-to-moderate range since 11pm on Sunday, following an earlier spell of hazy conditions.
At 7am, hourly PM2.5 readings were in the normal band across Singapore, with the highest reading in the western region.
Meanwhile, 24-hour PSI readings were in the moderate range in all regions, with the highest in the west.
"Showers are expected over Sumatra, Singapore and the surrounding region, which should help to keep the regional haze situation suppressed," said the agency.
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