Haze in Singapore: PSI reading in east reaches unhealthy levels, joining west and central areas新加坡雾霾：东部地区空气污染指数（PSI）达到不健康水平，与西部和中部地区的情况类似。
Air quality in eastern Singapore reached unhealthy levels with a PSI of 101 as haze affects multiple regions across the island on October 5. Read more at straitstimes.com.
PM2.5 readings, used as a gauge for immediate activities, are in the elevated band in all five regions across Singapore.
ST PHOTO: KELVIN CHNG
Published Oct 05, 2026, 06:09 PM
Updated Oct 05, 2026, 06:09 PM
Air quality in eastern Singapore reached unhealthy levels with a PSI of 101 at 6pm on Oct 5, joining the west and central regions also marked unhealthy.
PM2.5 readings were elevated across all five regions, indicating increased fine particle concentration and health risks.
Dry conditions and prevailing winds from the south-east or south-west maintain the risk of ongoing haze in Singapore.
SINGAPORE – Air quality in eastern Singapore entered the unhealthy range in the evening of Oct 5, with a 24 -hour Pollutant Standards Index (PSI) reading of 101 at 6pm.
Readings in the western and central parts of the island are also in the unhealthy range, with the remaining two regions in the moderate band.
As at 6pm, the readings were:
North: 94 (up by 1 from 5pm)
Central: 122 (unchanged)
PM2.5 readings, which are used as a gauge for immediate activities, were elevated in all five regions across Singapore:
North: 77 (up by 2 from 5pm)
East: 79 (down by 1)
Central: 97 (down by 9)
Air quality is considered unhealthy when the 24-hour PSI is in the range of 101 to 200, while an hourly PM2.5 reading between 56 and 150 indicates an elevated concentration of fine particles.
The PSI – a 24-hour rolling average of six key air pollutants and used in planning for outdoor activities the next day – had begun an upward trajectory at midnight on Oct 5 .
Dry conditions are expected to continue over Singapore and the surrounding region on Oct 5. The risk of haze affecting the Republic remains as the prevailing winds are expected to blow from the south-east or south-west.
Meteorological Service Singapore
新加坡所有五个地区的 PM2.5 读数（用作衡量当前活动的一个指标）均处于较高水平。
《海峡时报》摄影：KELVIN CHNG
发布于 2026 年 10 月 5 日下午 6:09
更新于2026年10月5日下午6:09
10 月 5 日下午 6 点，新加坡东部空气质量达到不健康水平，PSI 指数为 101，与西部和中部地区一样，空气质量也处于不健康水平。
所有五个地区的 PM2.5 读数均升高，表明细颗粒物浓度增加，健康风险上升。
新加坡干燥的气候和盛行的东南风或西南风使得新加坡持续出现雾霾的风险依然存在。
新加坡——10月5日晚，新加坡东部的空气质量进入不健康范围，下午6点的24小时污染物标准指数（PSI）读数为101。
岛屿西部和中部地区的读数也处于不健康范围，其余两个地区处于中等范围。
截至下午6点，读数如下：
北：94（下午 5 点前上涨 1 点）
中央：122（不变）
新加坡所有五个地区的PM2.5读数均升高，PM2.5是衡量当前活动水平的指标：
北：77（下午 5 点前上涨 2 点）
东部：79（下降1）
中部：97（下降9）
当 24 小时 PSI 值在 101 至 200 之间时，空气质量被认为是不健康的；而每小时 PM2.5 读数在 56 至 150 之间则表明细颗粒物浓度升高。
PSI（空气污染指数）是六种主要空气污染物的 24 小时滚动平均值，用于规划第二天的户外活动。该指数从 10 月 5 日午夜开始呈上升趋势。
预计10月5日新加坡及其周边地区将持续干燥天气。由于盛行风向预计为东南风或西南风，新加坡仍有可能受到雾霾影响。
新加坡气象局