{"meta":{"project":"ER Waits, Ranked (Open Nshipyard P10)","built":"2026-10-10","source":"Ontario Health, Time Spent in Emergency Departments (drivepublic.hqontario.ca endpoints); data asset NACRS via CIHI","source_url":"https://ontariohealth.ca/system/reporting/performance/time-spent-in-emergency-departments.html","vintage":"2025-08 to 2026-08 (monthly)","n_sites":159,"n_months":13,"indicators":{"PIA":"first_assessment","L":"low_urgency_stay","NAH":"high_urgency_stay","A":"admitted_stay"},"caveats":["As of the December 2025 data refresh, 43 additional sites were added to current and historical reporting; Ontario Health warns data exported after that should not be compared to earlier exports.","Monthly averages only. No visit-level timestamps exist in any open source, so hour-of-day arrival analysis is honestly unanswerable.","Averages, not medians. A few long stays pull the average up."]},"indicator":"PIA","month":"2026-08","data":[{"rank":1,"snum":"4833","mean":0.5,"name":"Southlake Regional Health Centre"},{"rank":2,"snum":"4865","mean":0.7,"name":"Atikokan General Hospital"},{"rank":3,"snum":"4987","mean":0.7,"name":"North Shore Health Network - Thessalon Site"},{"rank":4,"snum":"4850","mean":0.8,"name":"South Bruce Grey Health Centre-Durham"},{"rank":5,"snum":"4860","mean":0.8,"name":"South Bruce Grey Health Centre-Chesley"},{"rank":6,"snum":"4890","mean":0.8,"name":"Mackenzie Health-Richmond Hill Hospital"},{"rank":7,"snum":"4923","mean":0.8,"name":"Smooth Rock Falls Hospital"},{"rank":8,"snum":"4932","mean":0.8,"name":"Bingham Memorial Hospital"},{"rank":9,"snum":"4948","mean":0.8,"name":"William Osler Health System-Etobicoke Site"},{"rank":10,"snum":"4845","mean":0.9,"name":"Huron Perth Healthcare Alliance-Seaforth"},{"rank":11,"snum":"4928","mean":0.9,"name":"Manitoulin Health Centre - Little Current"},{"rank":12,"snum":"4960","mean":0.9,"name":"Anson General Hospital"},{"rank":13,"snum":"5038","mean":0.9,"name":"Wilson Memorial General Hospital"},{"rank":14,"snum":"1264","mean":1,"name":"Niagara Health System-Port Colborne Site"},{"rank":15,"snum":"2368","mean":1,"name":"North Shore Health Network - Richards Landing"},{"rank":16,"snum":"4836","mean":1,"name":"Espanola General Hospital"},{"rank":17,"snum":"4844","mean":1,"name":"Huron Perth Healthcare Alliance-Clinton"},{"rank":18,"snum":"4875","mean":1,"name":"Wingham And District Hospital"},{"rank":19,"snum":"4895","mean":1,"name":"Sensenbrenner Hospital"},{"rank":20,"snum":"4924","mean":1,"name":"The Red Lake Margaret Cochenour Memorial Hospital"},{"rank":21,"snum":"4934","mean":1,"name":"North Wellington Health Care - Palmerston"},{"rank":22,"snum":"4800","mean":1.1,"name":"Unity Health Toronto - St. Joseph's"},{"rank":23,"snum":"4802","mean":1.1,"name":"Mackenzie Health-Jane Street Site"},{"rank":24,"snum":"4823","mean":1.1,"name":"North Shore Health Network - Blind River Site"},{"rank":25,"snum":"4899","mean":1.1,"name":"Manitouwadge General Hospital"},{"rank":26,"snum":"4915","mean":1.1,"name":"Mattawa General Hospital"},{"rank":27,"snum":"4929","mean":1.1,"name":"Manitoulin Health Centre - Mindemoya Unit"},{"rank":28,"snum":"4930","mean":1.1,"name":"Services De Sante De Chapleau Health Services"},{"rank":29,"snum":"4950","mean":1.1,"name":"Dryden Regional Health Centre"},{"rank":30,"snum":"4967","mean":1.1,"name":"Brightshores Health System-Lions Head Site"},{"rank":31,"snum":"1339","mean":1.2,"name":"St. Joseph's Health Care System-Hamilton"},{"rank":32,"snum":"4841","mean":1.2,"name":"Haldimand War Memorial Hospital"},{"rank":33,"snum":"4886","mean":1.2,"name":"Brightshores Health System-Markdale Site"},{"rank":34,"snum":"4910","mean":1.2,"name":"Deep River And District Hospital"},{"rank":35,"snum":"4911","mean":1.2,"name":"Nipigon District Memorial Hospital"},{"rank":36,"snum":"4944","mean":1.2,"name":"St. Joseph's General Hospital"},{"rank":37,"snum":"4952","mean":1.2,"name":"Lady Dunn Health Centre"},{"rank":38,"snum":"4980","mean":1.2,"name":"Weeneebayko Area Health Authority - Moose Factory"},{"rank":39,"snum":"4985","mean":1.2,"name":"Trillium Health Partners-Queensway Hlth"},{"rank":40,"snum":"6585","mean":1.2,"name":"Mackenzie Health-Cortellucci Vaughan Hosp"},{"rank":41,"snum":"4848","mean":1.3,"name":"South Huron Hospital"},{"rank":42,"snum":"4891","mean":1.3,"name":"Scarborough Health Network-Centenary Site"},{"rank":43,"snum":"4933","mean":1.3,"name":"North Wellington Health Care - Mount Forest"},{"rank":44,"snum":"4955","mean":1.3,"name":"Bluewater Health-Charlotte Eleanor Englehart (Petrolia)"},{"rank":45,"snum":"4976","mean":1.3,"name":"William Osler Health System-Civic Site"},{"rank":46,"snum":"5066","mean":1.3,"name":"William Osler Health System-Peel Memorial"},{"rank":47,"snum":"1311","mean":1.4,"name":"Scarborough Health Network-Birchmount Site"},{"rank":48,"snum":"4906","mean":1.4,"name":"St. Francis Memorial Hospital"},{"rank":49,"snum":"4937","mean":1.4,"name":"Niagara Health System-Fort Erie Douglas Site"},{"rank":50,"snum":"4946","mean":1.4,"name":"Centre For Addiction And Mental Health"}]}