Haze watch Oct 15: Air quality in western Singapore improves, PSI returns to unhealthy range nationwide

After spending 18 hours in the very unhealthy range, the 24-hour Pollutant Standards Index (PSI) in western Singapore returned to the unhealthy range at 3pm on Thursday (Oct 15).

The western reading climbed to a high of 212 at noon, then gradually fell towards the unhealthy range.

At 3pm, PSI ranged from 125 in northern Singapore to 196 in the western region.

The next highest reading of 188 was recorded in central Singapore.

Meanwhile, one-hour PM2.5 fell within the elevated band.

It ranged from 99 to 148µg/m3, with central Singapore having the highest concentration reading.

Alongside the improved air quality, Sport Singapore has also announced the reopening of outdoor and non-aircon ActiveSG facilities in the southern and western regions.

As of 2.30pm, 44 facilities in in the eastern and central regions remain closed.

Members of the public can check for the latest list of temporary closures at the ActiveSG Circle website .

Eligible Singaporeans who are collecting their masks are encouraged to check GoWhereHazeMask for the latest stock availability before heading out.

Members of the public should check the latest one-hour PM2.5 readings before participating in any immediate outdoor activities.

在经历了 18 小时的极不健康范围后，新加坡西部 24 小时污染物标准指数 (PSI) 于星期四（10 月 15 日）下午 3 点回落至不健康范围。

西部地区的读数在中午攀升至 212 的高点，然后逐渐下降到不健康的范围。

下午 3 点，新加坡北部地区的 PSI 指数为 125，西部地区的 PSI 指数为 196。

新加坡中部地区录得第二高读数188。

与此同时，一小时 PM2.5 浓度处于偏高水平。

浓度范围为 99 至 148µg/m3，其中新加坡中部地区的浓度读数最高。

随着空气质量的改善，新加坡体育理事会也宣布重新开放南部和西部地区的室外及无空调的ActiveSG设施。

截至下午 2 点 30 分，东部和中部地区的 44 个设施仍然关闭。

公众可在 ActiveSG Circle 网站上查看最新的临时关闭列表。

符合领取口罩资格的新加坡公民，请在出门前查看 GoWhereHazeMask 网站了解最新的库存情况。

公众在参加任何户外活动前，应查看最新的1小时PM2.5读数。