{"id":91077,"date":"2026-10-07T22:51:16","date_gmt":"2026-10-07T14:51:16","guid":{"rendered":"https:\/\/sgbuzz.com\/?p=91077"},"modified":"2026-10-07T22:51:16","modified_gmt":"2026-10-07T14:51:16","slug":"singapore-haze-may-worsen-as-psi-forecast-to-be-unhealthy","status":"publish","type":"post","link":"https:\/\/sgbuzz.com\/?p=91077","title":{"rendered":"Singapore haze may worsen as PSI forecast to be unhealthy"},"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 <!-- -->The haze situation here may worsen on<!-- --> Oct 8, with the National Environment Agency (NEA) forecasting the 24-hour Pollutant Standards Index (PSI) reading<!-- -->s<!-- --> for the day <!-- -->to <!-- -->be in the unhealthy range.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">It is the first time since the agency started issuing daily haze advisories on Sept 4 that <!-- -->the <!-- -->forecast has fallen completely within the unhealthy band of 101 and 200. Previous forecasts <!-- -->in the same period were <!-- -->in the moderate, or moderate to unhealthy range<!-- -->s<!-- -->.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">In its daily advisory, sent at <!-- -->about 6.20pm on<!-- --> Oct 7, NEA s<!-- -->aid that dry weather is expected to continue over central and southern parts of Sumatra in Indonesia, as well as many parts of Kalimantan.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">\u201cUnder the prevailing southeasterly to southerly winds, smoke haze from these areas may continue to drift towards Singapore,\u201d the agency said.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">When the 24-hour PSI readings are in the unhealthy band, those who are healthy should reduce prolonged or strenuous outdoor physical activities, according to the haze advisory.<\/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\">Vulnerable people \u2013 including the elderly, pregnant women, children and those with chronic lung or heart disease \u2013 should minimise or avoid <!-- -->such<!-- --> activities entirely.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">As at 7pm on Oct 7, all five regions <!-- -->here <!-- -->registered PSI readings <!-- -->in the unhealthy range<!-- -->, <!-- -->with measurements of<!-- --> 106 in the north, 113 in the south, 130 in the east, 143 in the west and 136 in the central <!-- -->region<!-- -->.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">The readings all across Singapore <!-- -->have remained in the unhealthy range since noon on Oct 7, matching NEA\u2019s daily forecast on Oct 6 that<!-- --> readings for Oct 7 <!-- -->would range from high-moderate to mid-unhealthy.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">The PSI is a 24-hour rolling average of <!-- -->six <!-- -->key air pollutants and <!-- -->guides people when planning<!-- --> outdoor activities for the following day.<\/p>\n<figure class=\"portrait inline-media-wrapper\" style=\"--aspect-article-portrait:1140 \/ 760\" 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\/d3d0c41af52ddad000fc7fba0d08a15cdaaa8d643d5ee4b19f97054ebcdea992?w=480\"\/><source media=\"(min-width: 481px) and (max-width: 720px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/d3d0c41af52ddad000fc7fba0d08a15cdaaa8d643d5ee4b19f97054ebcdea992?w=720\"\/><source media=\"(min-width: 721px and max-width: 3999px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/d3d0c41af52ddad000fc7fba0d08a15cdaaa8d643d5ee4b19f97054ebcdea992?w=900\"\/><source media=\"(min-width: 4000px)\" srcset=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/d3d0c41af52ddad000fc7fba0d08a15cdaaa8d643d5ee4b19f97054ebcdea992\"\/><img decoding=\"async\" src=\"https:\/\/cassette.sphdigital.com.sg\/image\/straitstimes\/d3d0c41af52ddad000fc7fba0d08a15cdaaa8d643d5ee4b19f97054ebcdea992\" 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\" fetchpriority=\"auto\"\/><\/picture><\/div>\n<\/figure>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">Meanwhile, the 1-hr PM2.5 reading \u2013 which points to the current air quality and is used as a gauge for immediate activities \u2013 <!-- -->was <!-- -->in the elevated band for most of Oct 7.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">It briefly crossed into the high band at 4pm in the western part of Singapore <!-- -->with a 152 reading<!-- -->, before falling back into the elevated band at 5pm.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">An hourly PM2.5 reading between 151 and 250 indicates a high concentration of fine particles, while a reading between 56 and 150 signals an elevated level.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">A September study led by local researchers showed that even small spikes in PM2.5 levels are linked to an<a href=\"https:\/\/www.straitstimes.com\/singapore\/health\/emergency-visits-for-asthma-chronic-respiratory-disease-rise-with-higher-pm2-5-levels-spore-study?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\"> increase in emergency department visits<\/span><\/a> for asthma and chronic respiratory disease.<\/p>\n<p class=\"text-primary font-tertiary-body-baseline-regular\" data-testid=\"article-paragraph-annotation-test-id\">These developments over the past month marked the first time since October 2023 that the PSI in Singapore hit unhealthy levels because of haze, with the authorities earlier warning of the risk of haze between June and October as a result of warmer and drier conditions brought on by both El Nino and the Indian Ocean Dipole.<\/p>\n<\/div>\n<p><br \/>\n<center><br \/>\n<br \/><a href=\"https:\/\/www.straitstimes.com\/singapore\/haze-in-singapore-air-quality-may-worsen-with-psi-forecast-to-be-entirely-in-unhealthy-range\" target=\"_blank\" rel=\"noopener\">Read Full Article At Source <\/a><br \/>\n<center\/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>SINGAPORE \u2013 The haze situation here may worsen on Oct 8, with the National Environment Agency (NEA) forecasting the 24-hour Pollutant Standards Index (PSI) readings&#8230;<\/p>\n","protected":false},"author":1,"featured_media":91078,"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-91077","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\/91077","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=91077"}],"version-history":[{"count":0,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/posts\/91077\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=\/wp\/v2\/media\/91078"}],"wp:attachment":[{"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=91077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=91077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sgbuzz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=91077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}