Singapore haze: PM2.5 reading elevated in west region; air quality moderate

The hourly PM2.5 entered the range at 11am with a reading of 57.

The city skyline is seen through clear skies on Oct 27, 2020, as haze conditions improve in Singapore. (Photo: AFP/Roslan Rahman)

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SINGAPORE: The hourly PM2.5 reading in the west entered the elevated range on Thursday morning (Oct 29) while air quality remained moderate in all regions.

At 11am, the PM2.5 reading ranged from 43 to 57, with the highest reading in the west. The 24-hour Pollutant Standards Index ranged from 71 to 78. The National Environment Agency (NEA) is forecasting moderate air quality on Thursday.

In its advisory on Wednesday evening, NEA said the 24-hour PSI is forecast to range between 60 and 90 on Thursday.

Air quality has remained in the good-to-moderate range since 11pm on Sunday, following an earlier spell of hazy conditions.

CNA Games Guess Word Crack the word, one row at a time Buzzword Create words using the given letters Mini Sudoku Tiny puzzle, mighty brain teaser Mini Crossword Small grid, big challenge Word Search Spot as many words as you can Show More Show Less At 7am, hourly PM2.5 readings were in the normal band across Singapore, with the highest reading in the western region. Meanwhile, 24-hour PSI readings were in the moderate range in all regions, with the highest in the west. "Showers are expected over Sumatra, Singapore and the surrounding region, which should help to keep the regional haze situation suppressed," said the agency. While drier conditions may return over parts of Kalimantan, smoke haze from the area is unlikely to drift towards Singapore due to favourable winds, it added. Looking ahead to Friday and Saturday, the agency said southeasterly to southwesterly winds are expected. "However, showers are expected over the region which could help with the haze situation," it said. NEA has advised the public to refer to the 24-hour PSI forecast when planning outdoor activities and to check the latest 1-hour PM2.5 readings before undertaking immediate outdoor activities. Based on Thursday's PSI forecast, all members of the public can continue with their usual outdoor activities. When hourly PM2.5 concentrations are in the elevated band, healthy individuals should reduce strenuous outdoor activities for the next hour. Vulnerable groups, including children, elderly people, pregnant women and those with chronic heart or lung conditions, should avoid strenuous outdoor activities during that period.

At 7am, hourly PM2.5 readings were in the normal band across Singapore, with the highest reading in the western region.

Meanwhile, 24-hour PSI readings were in the moderate range in all regions, with the highest in the west.

"Showers are expected over Sumatra, Singapore and the surrounding region, which should help to keep the regional haze situation suppressed," said the agency.

While drier conditions may return over parts of Kalimantan, smoke haze from the area is unlikely to drift towards Singapore due to favourable winds, it added. Looking ahead to Friday and Saturday, the agency said southeasterly to southwesterly winds are expected.

"However, showers are expected over the region which could help with the haze situation," it said.

NEA has advised the public to refer to the 24-hour PSI forecast when planning outdoor activities and to check the latest 1-hour PM2.5 readings before undertaking immediate outdoor activities.

Based on Thursday's PSI forecast, all members of the public can continue with their usual outdoor activities.

When hourly PM2.5 concentrations are in the elevated band, healthy individuals should reduce strenuous outdoor activities for the next hour.

Vulnerable groups, including children, elderly people, pregnant women and those with chronic heart or lung conditions, should avoid strenuous outdoor activities during that period.

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上午 11 点，PM2.5 小时浓度进入正常范围，读数为 57。

2020年10月27日，新加坡雾霾消散，晴朗的天空映衬着城市天际线。（图片：法新社/罗斯兰·拉赫曼）

这段音频由人工智能工具生成。

新加坡：周四（10月29日）上午，西部地区的PM2.5小时读数进入高位范围，而所有地区的空气质量仍为中等。

上午11点，PM2.5浓度在43至57之间，西部地区浓度最高。24小时空气污染指数在71至78之间。国家环境局（NEA）预测周四空气质量为中等。

尼泊尔国家环境局 (NEA) 在周三晚间的公告中表示，预计周四 24 小时 PSI 值将在 60 至 90 之间。

周日晚上 11 点以来，空气质量一直保持在良好至中等水平，此前曾出现过一段时间的雾霾天气。

CNA游戏 猜词游戏 逐行破解单词 流行词游戏 用给定的字母组成单词 迷你数独 小小的谜题，强大的脑力挑战 迷你填字游戏 小方格，大挑战 单词搜索 尽可能多地找出单词 显示更多 显示更少 早上7点，新加坡各地的PM2.5小时读数处于正常范围内，西部地区的读数最高。同时，所有地区的24小时PSI读数均处于中等范围，西部地区的PSI最高。该机构表示：“预计苏门答腊、新加坡及周边地区将有阵雨，这将有助于抑制区域雾霾。”该机构补充说，虽然加里曼丹部分地区可能会恢复干燥天气，但由于有利的风向，该地区的烟霾不太可能飘向新加坡。展望周五和周六，该机构表示预计将有东南风至西南风。“然而，预计该地区将有阵雨，这可能有助于缓解雾霾，”该机构表示。国家环境局建议公众在计划户外活动时参考24小时空气污染指数（PSI）预报，并在进行户外活动前查看最新的1小时PM2.5浓度读数。根据周四的PSI预报，所有公众均可继续进行日常户外活动。当PM2.5小时浓度处于较高水平时，健康人士应在接下来的1小时内减少剧烈的户外活动。包括儿童、老年人、孕妇以及患有慢性心脏或肺部疾病的人士在内的易感人群，应在此期间避免进行剧烈的户外活动。

早上 7 点，新加坡各地的 PM2.5 小时读数均处于正常范围内，其中西部地区的读数最高。

与此同时，所有地区的 24 小时 PSI 读数均处于中等水平，其中西部地区最高。

该机构表示：“预计苏门答腊、新加坡及周边地区将有阵雨，这将有助于抑制区域雾霾情况。”

该机构补充说，虽然加里曼丹部分地区可能会恢复干燥天气，但由于风向有利，该地区的烟雾不太可能飘向新加坡。展望周五和周六，该机构预计将刮东南风至西南风。

“不过，预计该地区将有阵雨，这可能有助于缓解雾霾情况，”声明中写道。

国家环境局建议公众在计划户外活动时参考 24 小时空气污染指数预报，并在进行户外活动前查看最新的 1 小时 PM2.5 读数。

根据周四的PSI预报，所有公众成员都可以继续进行他们通常的户外活动。

当每小时 PM2.5 浓度处于较高水平时，健康人群应在接下来的一个小时内减少剧烈的户外活动。

包括儿童、老年人、孕妇以及患有慢性心脏或肺部疾病的人在内的弱势群体，在此期间应避免进行剧烈的户外活动。

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