Singapore PSI Hits Unhealthy Range in Central and East
Air quality in central and eastern Singapore reached unhealthy PSI levels on September 26, according to CNA reports.
Quick facts
- Central region 24-hour PSI hit 104 at 8pm on Saturday before rising to 119 at midnight.
- Eastern region entered the unhealthy range at midnight on Sunday with a PSI reading of 103.
- Western region reading stood at 99 at midnight, with the north at 82 and south at 87.
Why it matters
Air quality fluctuations in Singapore are frequently tied to regional weather conditions and transboundary haze. While readings occasionally cross the threshold into the unhealthy range, official monitoring agencies continue to provide regular updates to help the public track hourly and 24-hour pollutant standards index figures.
Air quality in central and eastern Singapore entered the unhealthy range on September 26, according to reports from CNA. The 24-hour Pollutant Standards Index readings climbed past the moderate threshold late Saturday night, prompting increased public interest across the country.
What happened to the PSI levels?
The 24-hour Pollutant Standards Index in the central region reached 104 at 8:00 PM on Saturday, then increased to 119 by midnight. The eastern region joined the unhealthy classification at midnight on Sunday with a reading of 103. Readings for other areas at midnight included 99 for the west, 82 for the north, and 87 for the south.
Why is the PSI trending?
Residents turned to search engines for updates as hazy conditions affected visibility and air quality figures crossed into the unhealthy bracket above 100. According to CNA, PSI readings have fluctuated in and out of the unhealthy range over recent weeks.
What happens next?
Official guidance and further updates will depend on shifting wind patterns and regional weather conditions monitored by authorities. Details regarding extended forecasts or specific health advisories beyond the initial readings were not available at the time of writing.
Frequently asked questions
What is the current PSI reading in central Singapore?
According to CNA, the 24-hour Pollutant Standards Index in the central region reached 104 at 8:00 PM on Saturday before rising to 119 at midnight.
Which regions in Singapore are affected by unhealthy air quality?
The central and eastern regions of Singapore entered the unhealthy range. The eastern region recorded a PSI of 103 at midnight on Sunday.
What were the PSI readings in other parts of Singapore?
At midnight, the reading for the western region was 99, while the northern region recorded 82 and the southern region stood at 87.
Why are people searching for PSI in Singapore?
Residents are searching for PSI updates because air quality in the central and eastern parts of the country crossed the 100 threshold into the unhealthy range.
Have unhealthy PSI readings happened recently?
Cna reported that PSI readings have dipped in and out of the unhealthy range over the past weeks.
Where can residents find official air quality updates?
Official air quality updates and 24-hour Pollutant Standards Index figures are published by government authorities and reported by local news outlets like CNA.
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Last checked Sep 26, 2026 at 5:41 PM. Trends move fast, so details may change. How we work
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