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Haze in Singapore: PSI crosses 101 in central region as air quality enters unhealthy range
Summary by The Singapore Editorial Desk Straits Times — Singapore
· September 3, 2026
· 1 min read
Photo: Straits Times — Singapore · view original
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Summary created by The Singapore Editorial Desk — automated, rule-governed Published by Straits Times — Singapore Original story Read at the source Source published Sep 3, 2026 Indexed here Sep 4, 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 The PSI reading is a key indicator of air quality, and levels above 100 are considered unhealthy. Air quality has entered an unhealthy range, with the 24-hour Pollutant Standards Index (PSI) exceeding 101.
Air quality has entered an unhealthy range, with the 24-hour Pollutant Standards Index (PSI) exceeding 101. The central region is particularly affected, with a PSI reading of 104 recorded at 9am on Sept 4. This level indicates a significant deterioration in air quality.
Further details about the current haze situation are available from the source. The PSI reading is a key indicator of air quality, and levels above 100 are considered unhealthy.
The source provides more information about the current air quality situation, including the PSI reading in the central region at 9am on Sept 4, which was 104.
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Category: Local Published: September 3, 2026 Source: Straits Times — Singapore Reading time: 1 min
Frequently asked about this story
What is this story about? Air quality has entered an unhealthy range, with the 24-hour Pollutant Standards Index (PSI) exceeding 101. The central region is particularly affected, with a PSI reading of 104 recorded at 9am on…
When was this published? This article was first published on September 3, 2026 by Straits Times — Singapore and curated for The Singapore readers.
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