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1-hour PM2.5 in west of S'pore hits 171 overnight, within high range
Summary by The Singapore Editorial Desk Xueting Wu , as published by Mothership
· October 9, 2026
· 1 min read
Photo: Mothership · view original
Story provenance No corrections
Summary created by The Singapore Editorial Desk — automated, rule-governed Byline on source page Xueting Wu, as published by Mothership Original story Read at the source Source published Oct 9, 2026 Indexed here Oct 9, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
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Key points Readings for the 24-hour Pollutant Standards Index were initially between 102 and 147, then increased to a range of 117 to 173. One-hour readings for a specific pollutant showed particularly high levels in one area, reaching a peak of 171.
Air quality worsened significantly overnight. Readings for the 24-hour Pollutant Standards Index were initially between 102 and 147, then increased to a range of 117 to 173. The public is advised to limit outdoor physical activity when such readings are considered unhealthy.
Further details on air quality are available, including regional variations. One-hour readings for a specific pollutant showed particularly high levels in one area, reaching a peak of 171.
These readings are subject to fluctuation, and the relevant agency provides updates on its website.
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Category: library Published: October 9, 2026 Source: Mothership Reading time: 1 min
Frequently asked about this story
What is this story about? Air quality worsened significantly overnight. Readings for the 24-hour Pollutant Standards Index were initially between 102 and 147, then increased to a range of 117 to 173. The public is advised to…
When was this published? This article was first published on October 9, 2026 by Mothership and curated for The Singapore readers.
Who reported this story? This story was reported by Xueting Wu at Mothership. To learn more about how The Singapore selects and reviews stories, see our editorial standards .
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