Air quality in Singapore remains in moderate range as PSI drops to below 100

The haze seen from Boat Quay at 9.45am on Sept 10.

Published Sep 10, 2026, 10:12 PM

Updated Sep 11, 2026, 07:29 AM

SINGAPORE – The air quality across Singapore has improved, with the PSI in all five regions of the country falling within the moderate range since 10pm on Sept 10.

The 24-hour Pollutant Standards Index (PSI) for the central region stayed within the moderate range overnight, after reaching unhealthy levels when it hit a high of 106 between 9am and 11am on Sept 10.

As at 7am on Sept 11, the PSI in central Singapore was 97, with the read ings in the other regions also in the moderate range, according to the National Environment Agency (NEA) website.

Haze in Singapore began an uptick again recently when the PSI in the central region crossed 101 early on Sept 4.

Since then, readings in the central, eastern and western parts of Singapore have occasionally crossed into the unhealthy range before dipping back into the moderate spectrum.

In an advisory on Sept 10, NEA said the 24-hour PSI is forecast to range from the higher end of the moderate category to the lower end of the unhealthy spectrum.

NEA said that it continues to observe moderate to dense smoke plumes from fires in southern and central Sumatra, as well as Kalimantan , adding that some haze also drifted towards Singapore.

It added that while “some showers are forecast mostly over northern and central Sumatra in the next few days... there is a risk of smoke haze affecting Singapore should the fires persist under the prevailing south-easterly or southerly winds”.

The recent developments mark the first time the PSI in Singapore hit unhealthy levels due to haze since October 2023 .

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.

PSI readings of 51 to 100 are considered moderate, while values of 0 to 50 are in the “good” range.

National Environment Agency

9月10日上午9点45分，从驳船码头看到的雾霾。

发布于 2026 年 9 月 10 日晚上 10:12

更新于2026年9月11日上午7:29

新加坡——新加坡的空气质量有所改善，自9月10日晚上10点以来，该国所有五个地区的空气污染指数（PSI）均已降至中等水平。

中部地区的 24 小时污染物标准指数 (PSI) 在 9 月 10 日上午 9 点至 11 点之间达到 106 的峰值后，一夜之间保持在中等范围内。

根据国家环境局 (NEA) 网站的数据，截至 9 月 11 日上午 7 点，新加坡中部地区的空气污染指数 (PSI) 为 97，其他地区的读数也处于中等水平。

新加坡的雾霾最近再次加剧，9 月 4 日清晨，中部地区的 PSI 指数超过 101。

从那时起，新加坡中部、东部和西部地区的读数偶尔会进入不健康范围，然后又回落到中等范围。

9 月 10 日，国家环境局 (NEA) 发布公告称，预计 24 小时 PSI 指数将从中等水平的较高值到不健康水平的较低值不等。

新加坡国家环境局表示，他们继续观察到苏门答腊南部和中部以及加里曼丹的火灾产生的中等至浓重的烟雾，并补充说，一些烟雾也飘向了新加坡。

报告还指出，“未来几天苏门答腊北部和中部地区预计会有阵雨……但如果火势在盛行的东南风或南风下持续，新加坡可能会受到烟霾的影响”。

最近的事态发展标志着自 2023 年 10 月以来，新加坡的空气污染指数 (PSI) 首次因雾霾达到不健康水平。

当空气污染指数（PSI）在 101 至 200 之间时，空气质量被认为是不健康的，此时国家环境局建议公众减少户外活动。

PSI读数在51到100之间被认为是中等的，而0到50之间的数值则属于“良好”范围。

国家环境局