{"id":"3ce1cc28-0625-4674-89d6-9cf3a56f2d9c","first_published_at":"2026-05-12T13:33:00.000Z","published_revision":{"id":"597d6385-7038-4dc3-8e71-1e0bae7432f4","revision_index":7,"previous_revision_id":"0a2810bf-e52f-4d23-a325-fa3c56f4e216","created_at":"2026-10-15T09:32:02.447Z","updated_at":"2026-10-15T11:44:35.119Z","approved_at":"2026-10-15T11:44:35.109Z","publish_at":"2026-10-22T08:30:00.000Z","metadata":[{"language":"cy-GB","title":"Adrannau brys: perfformiad yn erbyn targedau amseroedd aros, Hydref 2009 ymlaen","summary":"Data ar bresenoldeb ac amseroedd aros mewn adrannau brys yng Nghymru, a adroddwyd gan Fyrddau Iechyd Lleol.\n\nDarperir data ar gyfer adrannau brys mawr ac adrannau brys eraill ac unedau mân anafiadau. Dim ond o fis Ebrill 2012 y mae data ar gyfer adrannau brys / unedau mân anafiadau eraill ar gael.","collection":"Tynnir data o systemau gweinyddol y Bwrdd Iechyd Lleol sy'n ymwneud â rheoli cleifion sydd wedi cael eu cyfeirio am driniaeth ysbyty. Mae data yn cael eu hadrodd yn fisol gan Fyrddau Iechyd Lleol drwy Iechyd a Gofal Digidol Cymru (DHCW) ac maent ar gael o fis Hydref 2009 ymlaen.\n\nYm mis Ebrill 2019, symudodd darpariaeth y gwasanaeth iechyd ar gyfer trigolion awdurdod lleol Pen-y-bont ar Ogwr o Abertawe Bro Morgannwg i Gwm Taf. Newidiwyd enwau'r byrddau iechyd; daeth Bwrdd Iechyd Prifysgol Cwm Taf yn Fwrdd Iechyd Prifysgol Cwm Taf Morgannwg a daeth Bwrdd Iechyd Prifysgol Abertawe Bro Morgannwg yn Fwrdd Iechyd Prifysgol Bae Abertawe.","quality":"Mae diffiniadau a safonau data yn cael eu gorfodi gan Fwrdd Safonau Gwybodaeth Cymru (WISB).\n\nYn ystod pandemig COVID-19, caeodd sawl Uned Mân Anafiadau dros dro. Y rhain oedd ysbyty'r Barri (caewyd ym mis Mawrth 2020; ailagorwyd ym mis Awst 2020); Bryn Beryl (caewyd ym mis Mai 2020; ailagorwyd ym mis Awst 2020); Ysbyty Dolgellau ac Abermaw (caewyd ym mis Ebrill 2020; mae'n parhau i fod ar gau); Ysbyty Coffa Rhyfel Tywyn a'r Cylch (caewyd ym mis Mehefin 2020; mae'n parhau i fod ar gau); a Llanymddyfri (caewyd ym mis Ebrill 2020; mae'n parhau i fod ar gau).\n\nMae data adrannau achosion brys ar gyfer Bwrdd Iechyd Prifysgol Betsi Cadwaladr ar gyfer mis Rhagfyr 2025 i fis Mawrth 2026 wedi cael eu diwygio. Roedd y data a gyhoeddwyd yn wreiddiol yn dangos gostyngiad sylweddol mewn perfformiad 4 awr o’i gymharu â ffigurau blaenorol, ond mae’r ffigurau diwygiedig yn dangos bod y perfformiad yn gymharol sefydlog.","rounding_description":"Canrannau wedi’u talgrynnu i un lle degol.","reason":"Mis newydd wedi'i ychwanegu a diwygiadau wedi'u cymhwyso i ddata blaenorol lle bo'n berthnasol"},{"language":"en-GB","title":"Emergency departments: performance against waiting times targets, October 2009 onwards","summary":"Data on attendances and waiting times at emergency departments in Wales, reported by Local Health Boards.\r\n\r\nData are provided for major emergency departments and other emergency departments and minor injury units. Data for other emergency departments / minor injury units are only available from April 2012.","collection":"Data are drawn from Local Health Board administrative systems relating to the management of patients who have been referred for hospital treatment. Data are reported monthly by Local Health Boards via Digital Health and Care Wales (DHCW) and are available from October 2009.\r\n\r\nIn April 2019 health service provision for residents of Bridgend local authority moved from Abertawe Bro Morgannwg to Cwm Taf. The health board names changed, with Cwm Taf University Health Board becoming Cwm Taf Morgannwg University Health Board, and Abertawe Bro Morgannwg University Health Board becoming Swansea Bay University Health Board.","quality":"Data definitions and standards are mandated by the Welsh Information Standards Board (WISB).\r\n\r\nDuring the COVID-19 pandemic, several Minor Injury Units temporarily closed temporarily. These were Barry hospital (closed in March 2020; reopened in August 2020); Bryn Beryl (closed in May 2020; reopened in August 2020); Dolgellau and Barmouth District Hospital (closed in April 2020; remains closed); Tywyn & District War Memorial Hospital (closed in June 2020; remains closed); and Llandovery (closed in April 2020; remains closed).\r\n\r\nEmergency department data for Betsi Cadwaladr University health board for December 2025 to March 2026 have been revised. The data originally published indicated a significant fall in 4-hour performance compared with previous figures, however the revised figures show performance was relatively stable.","rounding_description":"Percentages rounded to one decimal place.","reason":"New month added and revisions applied to previous data where applicable"}],"rounding_applied":true,"update_frequency":{"date":{"day":"19","year":"2026","month":"11"},"update_type":"update"},"designation":"accredited","coverage_start_date":"2009-10-01","coverage_end_date":"2026-09-30","related_links":[{"id":"BlIYW","url":"https://www.gov.wales/time-spent-nhs-emergency-departments","created_at":"2026-05-11T13:42:30.368Z","label_en":"Time spent in NHS emergency departments [English]","label_cy":"Amser a dreuliwyd yn adrannau damweiniau brys GIG [Saesneg]"},{"id":"QAlGF","url":"https://www.gov.wales/written-statement-health-board-boundary-bridgend-associated-planning","created_at":"2026-05-11T13:42:52.858Z","label_en":"Written Statement: Health Board boundary Bridgend: associated planning [English]","label_cy":"Datganiad Ysgrifenedig: Ffin y byrddau iechyd ym Mhen-y-bont ar Ogwr: cynllunio cysylltiol [Saesneg]"},{"id":"DmvLx","url":"https://www.gov.wales/nhs-activity-and-performance-summary","created_at":"2026-05-11T13:43:14.700Z","label_en":"NHS activity and performance summary, statistical release [English]","label_cy":"Crynodeb o weithgarwch a pherfformiad y GIG, datganiad ystadegol [Saesneg]"},{"id":"rbqZG","url":"https://www.gov.wales/nhs-activity-and-performance-summary-quality-report","created_at":"2026-05-11T13:43:43.381Z","label_en":"NHS activity and performance summary: quality report [English]","label_cy":"Crynodeb o weithgarwch a pherfformiad y GIG: adroddiad ansawdd [Saesneg]"},{"id":"xR9UL","url":"https://www.llyw.cymru/amser-dreuliwyd-yn-adrannau-damweiniau-brys-gig","created_at":"2026-05-11T13:44:00.953Z","label_en":"Time spent in NHS emergency departments [Welsh]","label_cy":"Amser a dreuliwyd yn adrannau damweiniau brys GIG [Cymraeg]"},{"id":"rGTRi","url":"https://www.llyw.cymru/datganiad-ysgrifenedig-ffin-y-byrddau-iechyd-ym-mhen-y-bont-ar-ogwr-cynllunio-cysylltiol","created_at":"2026-05-11T13:45:45.807Z","label_en":"Written Statement Health Board boundary Bridgend: associated planning [Welsh]","label_cy":"Datganiad Ysgrifenedig: Ffin y byrddau iechyd ym Mhen-y-bont ar Ogwr: cynllunio cysylltiol [Cymraeg]"},{"id":"FsxAs","url":"https://www.llyw.cymru/crynodeb-perfformiad-gweithgaredd-y-gig","created_at":"2026-05-11T13:46:07.361Z","label_en":"NHS activity and performance summary, statistical release [Welsh]","label_cy":"Crynodeb o weithgarwch a pherfformiad y GIG, datganiad ystadegol [Cymraeg]"},{"id":"AOrFA","url":"https://www.llyw.cymru/crynodeb-perfformiad-gweithgaredd-y-gig-adroddiad-ansawdd","created_at":"2026-05-11T13:46:31.145Z","label_en":"NHS activity and performance summary: quality report [Welsh]","label_cy":"Crynodeb o weithgarwch a pherfformiad y GIG: adroddiad ansawdd [Cymraeg]"}],"providers":[{"id":"62c3c96c-1b17-4b68-a781-5b533fc46192","group_id":"fbdea8be-6e06-46f6-a47a-a55b89e3b5ae","revision_id":"597d6385-7038-4dc3-8e71-1e0bae7432f4","language":"cy-gb","provider_id":"f57e82cc-9c97-442b-a195-de74f443f36c","provider_name":"Iechyd a Gofal Digidol Cymru (DHCW)","source_id":"cfe47a5e-e770-43da-a1be-dadc1bcfd759","source_name":"Set Ddata Adran Achosion Brys (EDDS)","created_at":"2026-10-15T09:32:02.447Z"},{"id":"c4592ac3-7a8b-4c57-a3c2-57fe85d2fb68","group_id":"fbdea8be-6e06-46f6-a47a-a55b89e3b5ae","revision_id":"597d6385-7038-4dc3-8e71-1e0bae7432f4","language":"en-gb","provider_id":"f57e82cc-9c97-442b-a195-de74f443f36c","provider_name":"Digital Health and Care Wales (DHCW)","source_id":"cfe47a5e-e770-43da-a1be-dadc1bcfd759","source_name":"Emergency Department Data Set (EDDS)","created_at":"2026-10-15T09:32:02.447Z"}],"topics":[{"id":40,"path":"40","name_en":"Health and social care","name_cy":"Iechyd a gofal cymdeithasol"},{"id":47,"path":"40.47","name_en":"Hospital and other care setting activity","name_cy":"Gweithgarwch ysbyty a lleoliadau gofal eraill"},{"id":50,"path":"40.50","name_en":"Performance and waiting times","name_cy":"Perfformiad ac amseroedd aros"}]},"publisher":{"group":{"id":"8f61b0bf-1824-4d12-beb0-207fb7132bde","name":"Hospital & secondary care","email":"stats.healthinfo@gov.wales"},"organisation":{"id":"4ef4facf-c488-4837-a65b-e66d4b525965","name":"Welsh Government"}}}