{"id":85760,"date":"2026-09-17T23:09:00","date_gmt":"2026-09-17T15:09:00","guid":{"rendered":"https:\/\/sgbuzz.com\/?p=85760"},"modified":"2026-09-17T23:09:00","modified_gmt":"2026-09-17T15:09:00","slug":"air-quality-in-central-singapore-enters-unhealthy-range","status":"publish","type":"post","link":"https:\/\/sgbuzz.com\/?p=85760","title":{"rendered":"Air quality in central Singapore enters unhealthy range"},"content":{"rendered":"<p><br \/>\n<\/p>\n<div>\n<p class=\"text-primary article-summary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">SINGAPORE \u2013 Air quality in Singapore worsened on Sept 17, with the 24-hour Pollutant Standards Index (PSI) reading in the central region crossing into the unhealthy range again.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">The 24-hour PSI reading for that area hit 102 at 9pm, before inching up to 103 at 10pm, after a <a href=\"https:\/\/www.straitstimes.com\/singapore\/air-quality-in-singapore-improving-only-central-region-remains-in-the-unhealthy-range?ref=inline-article\" rel=\"noopener\" class=\"gap-x-04 items-center inline text-primary-60 select-auto\" aria-label=\"link\" target=\"_blank\" data-testid=\"custom-link\"><span class=\"inline font-tertiary-body-baseline-regular\" data-testid=\"typography-test-id\">reprieve a day earlier,<\/span><\/a> when readings across Singapore fell into the moderate range from 11am onwards.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">As at 9pm, readings in the north (72), south (70), east (81) and west (93) remained in the moderate range.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">The readings stayed in the moderate range at 10pm \u2013 with the <!-- -->north (73) and west (95)<!-- --> edging higher, and no change in the south and east.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">Hourly PM2.5 readings, which indicate the current concentrations of fine particulate matter, were in the normal band for the north (55) and south (40), and east (51), and in the elevated band in the west (64) and central (93) regions as at 9pm.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">As at 10pm, the hourly PM2.5 readings in the north stood at<!-- --> 58,<!-- --> crossing into the elevated band.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">The National Environment Agency (NEA) has advised the public to refer to the hourly PM2.5 readings for immediate activities and 24-hour PSI ones to plan for the day ahead.<\/p>\n<p><iframe class=\"responsive-iframe-base st_visuals st_visuals-embed\" title=\"st_visuals embed\" scrolling=\"no\" src=\"https:\/\/www.straitstimes.com\/multimedia\/graphics\/2026\/08\/singapore-haze-widget\/index.html\" allowfullscreen=\"\" allow=\"accelerometer;falseclipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share;\" loading=\"eager\" data-testid=\"responsiveIframe\"><\/iframe><\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">Air quality is considered unhealthy when the 24-hour PSI is in the range of\u00a0101 to 200, while an hourly PM2.5 reading between 56 and 150 indicates an elevated concentration of fine particles.\u00a0<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">NEA has advised that during such periods, those who are healthy should\u00a0reduce prolonged or strenuous outdoor activities, while vulnerable groups like the elderly, children and pregnant women, as well as people with chronic lung or heart disease, should minimise or avoid such outdoor activities altogether<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">The PSI first returned to the unhealthy mark two weeks ago, on Sept 4, the first time since October 2023. Readings in the central region were the highest, peaking at 154 on Sept 15.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">With dry conditions persisting over parts of Indonesian hot spots Sumatra and Kalimantan, coupled with prevailing winds blowing from the south or south-east, Singapore remains at continued risk of haze, said NEA in a <a href=\"https:\/\/www.straitstimes.com\/singapore\/more-rain-expected-in-spore-in-second-half-of-sept-met-service?ref=inline-article\" rel=\"noopener\" class=\"gap-x-04 items-center inline text-primary-60 select-auto\" aria-label=\"link\" target=\"_blank\" data-testid=\"custom-link\"><span class=\"inline font-tertiary-body-baseline-regular\" data-testid=\"typography-test-id\">haze advisory on Sept 16<\/span><\/a>.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">But air quality could improve in the next two weeks, with the Meteorological Service Singapore forecasting on Sept 16 more showers here for the rest of September, compared with the first half of the month.<\/p>\n<figure class=\"portrait inline-media-wrapper\" style=\"--aspect-article-portrait:1080 \/ 1350\" data-testid=\"inline-media-test-id\">\n<div class=\"flex flex-col items-start relative w-fit\"><picture><source media=\"(max-width: 480px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/131c227bcbd6097fe818b224ffff2ca9b78cc628b863dd90bb56df2fb5835b55?w=480\"\/><source media=\"(min-width: 481px) and (max-width: 720px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/131c227bcbd6097fe818b224ffff2ca9b78cc628b863dd90bb56df2fb5835b55?w=720\"\/><source media=\"(min-width: 721px and max-width: 3999px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/131c227bcbd6097fe818b224ffff2ca9b78cc628b863dd90bb56df2fb5835b55?w=900\"\/><source media=\"(min-width: 4000px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/131c227bcbd6097fe818b224ffff2ca9b78cc628b863dd90bb56df2fb5835b55\"\/><img decoding=\"async\" src=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/131c227bcbd6097fe818b224ffff2ca9b78cc628b863dd90bb56df2fb5835b55\" alt=\"\" class=\"aspect-portrait flex items-start shrink-0 portrait article-portrait object-contain mobile:w-auto tablet:w-auto\" data-testid=\"image-test-id\" loading=\"lazy\"\/><\/picture><\/div>\n<\/figure>\n<\/div>\n<p><br \/>\n<center><br \/>\n<br \/><a href=\"https:\/\/www.straitstimes.com\/singapore\/air-quality-in-central-region-enters-unhealthy-range-again-with-a-24-hour-psi-reading-of-102\" target=\"_blank\" rel=\"noopener\">Read Full Article At Source <\/a><br \/>\n<center\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SINGAPORE \u2013 Air quality in Singapore worsened on Sept 17, with the 24-hour Pollutant Standards Index (PSI) reading in the central region crossing into the&#8230;<\/p>\n","protected":false},"author":1,"featured_media":85761,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[2611],"tags":[],"class_list":["post-85760","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-buzz-headlines","wpcat-2611-id"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/posts\/85760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=85760"}],"version-history":[{"count":0,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/posts\/85760\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/media\/85761"}],"wp:attachment":[{"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=85760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=85760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=85760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}