{"id":"a3dc253d-2d25-44a0-8410-20a9b9eb5935","first_published_at":"2025-09-26T08:30:00.000Z","published_revision":{"id":"5c31b418-76b5-4df4-9f25-088ee3437299","revision_index":14,"previous_revision_id":"2037495d-e6a7-4a5b-adb1-7d2a9db8f992","created_at":"2026-10-13T09:40:38.122Z","updated_at":"2026-10-13T15:42:39.991Z","approved_at":"2026-10-13T15:42:39.988Z","publish_at":"2026-10-22T08:30:00.000Z","metadata":[{"language":"en-GB","title":"Ambulance activity and performance measures, July 2025 onwards","summary":"Until July 2025, 999 ambulance calls were categorised as red (immediately life-threatening), amber (serious but not life-threatening) or green (non-urgent). \r\nOn 1 July a new response model was implemented, and two new response categories were introduced to replace the previous red category. The new categories are Purple: Arrest, for cardiac and respiratory arrests, and Red: Emergency, for major trauma and other incidents where patients are at significant risk of cardiac or respiratory arrest if they do not receive a rapid response. \r\n\r\nOn 2 December 2025, three new categories replaced the existing amber and green categories. These are Orange: Now, for serious conditions, Yellow: Soon, for people who need to be assessed first, and Green: Planned, for less urgent calls. \r\n\r\nThis dataset contains data for the number of purple, red, orange, yellow, and green ambulance calls, Return Of Spontaneous Circulation (ROSC) rates, ambulance response times, time to identify cardiac arrest, time to commence CPR instruction, and time for defibrillator arrival.\r\n","collection":"Monthly return from the Welsh Ambulance Services NHS Trust (WAST), at Local Health Board (LHB) level. Data is submitted on an EXCEL spreadsheet and transferred to a SQL database; validation checks including monthly trends are carried out and any queries are taken up with WAST.","quality":"ROSC rates are calculated as the proportion of patients to have a heartbeat restored after a period of cardiac arrest. Given the relatively low numbers of patients in this category, the figures at health board level are likely to be volatile from month to month. Caution should be applied when comparing between health boards and over time. It may be some time before genuine trends in performance, and any differences between health boards can be established. Over time we will explore how best to present and communicate the figures at health board level.\r\n\r\nThe new model was implemented at around 10am on 1 July 2025. As such, a small number of incidents, those occurring between 12am and 10am, are not covered in these data.\r\n","rounding_description":"Percentages rounded to 1 decimal place","reason":"New month added"},{"language":"cy-GB","title":"Mesurau gweithgaredd a pherfformiad ambiwlansys, Gorffennaf 2025 ymlaen","summary":"Hyd at fis Gorffennaf 2025, roedd galwadau 999 i’r gwasanaeth ambiwlans yn cael eu categoreiddio yn rhai coch (galwadau lle mae bywyd yn y fantol), ambr (galwadau difrifol ond lle nad yw bywyd yn y fantol) neu wyrdd (galwadau nad ydynt yn rhai brys). \nAr 1 Gorffennaf, cafodd model ymateb newydd ei roi ar waith, a chyflwynwyd dau gategori ymateb newydd i ddisodli’r categori coch blaenorol. Y categorïau newydd yw Porffor: Ataliad, ar gyfer ataliad y galon ac ataliad anadlol, a Coch: Brys, ar gyfer trawma mawr a digwyddiadau eraill lle y mae person mewn perygl sylweddol o gael ataliad y galon neu ataliol anadlol os nad yw’n cael ymateb cyflym. \n\nAr 2 Rhagfyr 2025, disodlodd tri chategori newydd y categorïau oren a gwyrdd blaenorol. Y categorïau newydd hyn yw Oren: Nawr, ar gyfer cyflyrau difrifol, Melyn: Yn fuan, ar gyfer pobl y mae angen eu hasesu yn gyntaf, a Gwyrdd: Wedi'i gynllunio, ar gyfer galwadau llai brys. \n\nMae'r set ddata hon yn cynnwys data ar gyfer nifer y galwadau ambiwlans porffor, coch, oren, melyn a gwyrdd, cyfraddau Cylchrediad Digymell wedi Dychwelyd, amseroedd ymateb ambiwlansys, yr amser a gymerir i adnabod ataliad ar y galon, yr amser a gymerir i ddechrau rhoi cyfarwyddiadau CPR a’r amser a gymerir i sicrhau diffibriliwr.","collection":"Ffurflen fisol gan Ymddiriedolaeth GIG Gwasanaethau Ambiwlans Cymru, ar lefel Bwrdd Iechyd Lleol. Caiff data eu cyflwyno ar daenlen Excel a’u trosglwyddo i gronfa ddata SQL. Yr Ymddiriedolaeth sy’n gwirio gan gynnwys tueddiadau misol ac yn delio ag unrhyw ymholiadau.","quality":"Caiff cyfraddau ROSC eu cyfrifo fel cyfran y cleifion sydd â churiad calon wedi’i adfer ar ôl cyfnod o ataliad ar y galon. Yn sgil y nifer cymharol isel o gleifion yn y categori hwn, mae’r ffigurau ar lefel y bwrdd iechyd yn debygol o fod yn gyfnewidiol o un mis i’r llall. Dylid bod yn ofalus wrth gymharu byrddau iechyd a thros amser. Efallai y bydd peth amser cyn y gellir gweld tueddiadau gwirioneddol mewn perfformiad a chyn y gellir sefydlu unrhyw wahaniaethau rhwng byrddau iechyd. Tros amser, byddwn yn ystyried y ffordd orau o gyflwyno’r ffigurau ar lefel y bwrdd iechyd a’u rhannu.\n\nCafodd y model newydd ei roi ar waith tua 10am ar 1 Gorffennaf 2025. O ganlyniad, nid yw nifer bach o ddigwyddiadau, a ddigwyddodd rhwng 12am a 10am, wedi’u cynnwys yn y data hyn.","rounding_description":"Canranau wedi eu cylchdroi i un lle degol","reason":"Mis newydd wedi'i ychwanegu"}],"rounding_applied":true,"update_frequency":{"date":{"day":"19","year":"2026","month":"11"},"update_type":"update"},"designation":"accredited","coverage_start_date":"2025-07-01","coverage_end_date":"2026-09-30","related_links":[{"id":"axxaF","url":"https://www.gov.wales/nhs-activity-and-performance-summary","created_at":"2025-09-25T11:41:05.659Z","label_en":"NHS activity and performance summary (English)","label_cy":"Crynodeb perfformiad a gweithgaredd y GIG (Saesneg)"},{"id":"8FJYe","url":"https://www.gov.wales/nhs-activity-and-performance-summary-quality-report","created_at":"2025-09-25T11:41:20.202Z","label_en":"NHS activity and performance summary: quality report (English)","label_cy":"Crynodeb perfformiad a gweithgaredd y GIG: adroddiad ansawdd (Saesneg)"},{"id":"1E5xR","url":"https://www.llyw.cymru/crynodeb-perfformiad-gweithgaredd-y-gig","created_at":"2025-09-25T14:50:25.860Z","label_en":"NHS activity and performance summary (Welsh)","label_cy":"Crynodeb perfformiad a gweithgaredd y GIG (Cymraeg)"},{"id":"KVnGM","url":"https://www.llyw.cymru/crynodeb-perfformiad-gweithgaredd-y-gig-adroddiad-ansawdd","created_at":"2025-09-25T14:51:04.394Z","label_en":"NHS activity and performance summary: quality report (Welsh)","label_cy":"Crynodeb perfformiad a gweithgaredd y GIG: adroddiad ansawdd (Cymraeg)"}],"providers":[{"id":"6f42c4f9-aa45-4507-a39c-cd3633097c01","group_id":"e56bc15e-8574-45af-9f9f-8807b10dfc03","revision_id":"5c31b418-76b5-4df4-9f25-088ee3437299","language":"cy-gb","provider_id":"24643811-e3ed-4acd-b6bc-5d0302570017","provider_name":"Ymddiriedolaeth GIG Gwasanaethau Ambiwlans Cymru","source_id":null,"created_at":"2026-10-13T09:40:38.122Z"},{"id":"28f5e17b-47f1-40b1-840c-4695a5ef5e87","group_id":"e56bc15e-8574-45af-9f9f-8807b10dfc03","revision_id":"5c31b418-76b5-4df4-9f25-088ee3437299","language":"en-gb","provider_id":"24643811-e3ed-4acd-b6bc-5d0302570017","provider_name":"Welsh Ambulance Services NHS Trust","source_id":null,"created_at":"2026-10-13T09:40:38.122Z"}],"topics":[{"id":40,"path":"40","name_en":"Health and social care","name_cy":"Iechyd a gofal cymdeithasol"},{"id":41,"path":"40.41","name_en":"Ambulance services","name_cy":"Gwasanaethau ambiwlans"},{"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"}}}