PM2.5 normal, PSI moderate across Singapore; clearer skies until Wednesday

Residents in Singapore can look forward to a good three-day stretch of improved air quality as winds turn to blow from the southwest or west.

In its daily haze situation update on Sunday (Oct 25) evening, the National Environment agency said showers are expected over Singapore and its vicinity from Monday to Wednesday.

"With winds expected to blow from the southwest or west, the likelihood of smoke haze affecting Singapore may be reduced," the agency added.

The forecast applies till Wednesday, but will be updated daily.

Singapore's 24-hour Pollutant Standards Index (PSI) forecast is expected to be between 70 to 100 — in the moderate range.

At 9am, PM2.5 is in the normal band (0 - 55 µg/m3) across all five regions.

Meanwhile, PSI ranges from 68 in northern Singapore to 74 in the western region.

Readings of between 0 and 100 are in the good-to-moderate range.

Members of the public should still check the latest hourly PM2.5 concentration readings before taking part in outdoor activities.

随着风向转为西南风或西风，新加坡居民可以期待连续三天空气质量改善。

新加坡国家环境局在周日（10月25日）晚间发布的每日雾霾情况更新中表示，预计从周一到周三，新加坡及其周边地区将有阵雨。

该机构补充说：“预计风向将来自西南或西部，因此烟雾影响新加坡的可能性可能会降低。”

该预报有效期至周三，但会每日更新。

新加坡 24 小时污染物标准指数 (PSI) 预测值预计将在 70 至 100 之间——属于中等范围。

上午 9 点，五个地区的 PM2.5 均处于正常范围（0 - 55 µg/m3）。

与此同时，新加坡北部地区的PSI指数为68，西部地区的PSI指数为74。

读数在 0 到 100 之间属于良好到中等范围。

公众在参加户外活动前仍应查看最新的PM2.5每小时浓度读数。