Haze in S’pore: PSI hits 101 in central region
Singapore's air quality reached unhealthy levels on September 4, with the 24-hour Pollutant Standards Index (PSI) exceeding 101. The haze is attributed to forest and land fires in Indonesia, exacerbated by dry conditions from the El Niño phenomenon.
Why it matters
Transboundary haze poses significant public health risks and highlights the regional environmental challenges caused by climate change and land management practices.
Listen SINGAPORE – The 24-hour Pollutant Standards Index (PSI) in Singapore exceeded 101 on the morning of Sept 4, with air quality entering the unhealthy range.
At 10 am, the 24-hour PSI in the central part of the island was 105, according to the National Environment Agency (NEA) website. It has since dropped to 104 at 11am.
It first hit 101 in central Singapore at 7am, before climbing further to 104 at 9 am.
Air quality is considered unhealthy when the PSI is in the range of 101 to 200, during which NEA advises the public to cut down on outdoor activities.
The last time the PSI hit unhealthy levels due to haze was in October 2023.
This time around, the 24-hour PSI started inching towards the unhealthy range early on Sept 4.
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