Air quality in all regions of Singapore in unhealthy range; central area the worst with 24-hour PSI at 154新加坡所有地区的空气质量均处于不健康水平；中心区域空气质量最差，24小时空气污染指数（PSI）高达154。
SINGAPORE: Air quality in Singapore worsened on Tuesday (Sep 15), with all five regions recording unhealthy levels.This is the first time since September 2019 that all regions in the country entered the unhealthy range.As at 6am, the 24-hour Pollutant Standards Index (PSI) in Singapore's
A man with a mask on in central Bishan during hazy conditions on Sep 14, 2026. (Photo: CNA/Marcus Mark Ramos)
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SINGAPORE: Air quality in Singapore worsened on Tuesday (Sep 15), with all five regions recording unhealthy levels. This is the first time since September 2019 that all regions in the country entered the unhealthy range.
As at 6am, the 24-hour Pollutant Standards Index (PSI) in Singapore's central region was 154. The northern region of Singapore was the fifth region to record unhealthy air quality, with PSI hitting 104 at 6am. On Monday, the National Environment Agency (NEA) said in its daily haze advisory that the 24-hour PSI was forecast to be in the high moderate to mid unhealthy range.
It added that moderate to dense smoke plumes from fires in Kalimantan drifted to Singapore due to a shift in the prevailing winds to blow from east-southeast. There was also some smoke haze drifting from southern Sumatra.
"Dry conditions are forecast over Singapore and the surrounding region in the coming days. With the prevailing winds forecast to continue blowing from the southeast to east-southeast, Singapore will likely be affected by smoke haze," said NEA.
The 24-hour PSI spiked into the unhealthy range in central Singapore on Sep 4 for the first time since 2023, prompting NEA to start providing daily haze advisories from that evening.
The unhealthy PSI band runs from 101 to 200, while a reading is considered "very unhealthy" if it is between 201 and 300, and "hazardous" if it is above 300.
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2026年9月14日，一名戴着口罩的男子在碧山中心地带，当时空气中弥漫着雾霾。（图片：CNA/Marcus Mark Ramos）
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新加坡：新加坡空气质量周二（9月15日）恶化，五个地区全部达到不健康水平。这是自2019年9月以来，新加坡所有地区首次全部进入不健康范围。
截至早上6点，新加坡中部地区的24小时空气污染指数（PSI）为154。新加坡北部地区是第五个空气质量达到不健康水平的地区，早上6点PSI达到104。周一，国家环境局（NEA）在其每日雾霾预警中表示，预计24小时PSI将处于中度至重度不健康水平。
报告补充说，由于盛行风向转为东南偏东风，加里曼丹岛火灾产生的浓烟飘向新加坡。此外，苏门答腊南部也飘来了一些烟雾。
“预计未来几天新加坡及其周边地区天气干燥。由于盛行风向预计将继续从东南吹向东南偏东，新加坡可能会受到烟霾的影响，”国家环境局表示。
9 月 4 日，新加坡中部地区的 24 小时空气污染指数 (PSI) 自 2023 年以来首次飙升至不健康范围，促使国家环境局从当晚开始发布每日雾霾预警。
不健康的 PSI 范围为 101 至 200，而读数在 201 至 300 之间则被认为是“非常不健康的”，而高于 300 则被认为是“危险的”。
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