Centre Hospitalier de St. Mary Emergency Room
Montréal · Montréal
Including 1 person on a stretcher for more than 48 hours.
24 h
Current situation
At 01:45 a.m., Centre Hospitalier de St. Mary reports a stretcher occupancy rate of 96% (busy). 4 people are waiting to see a doctor, out of 28 in the emergency room.
History since September 13, 2026 · 840 readings.
Best hours to arrive
The calmest hours are 10 p.m., 9 p.m., 11 p.m. (Québec time). The busiest is 7 p.m.. Based on 7 readings only — read them with caution.
Average stretcher occupancy for each hour of the day, Québec time. The calmest hours are green and named in the sentence above the chart.
| Hour | Average occupancy | Waiting (avg.) | Readings |
|---|---|---|---|
| 12 a.m. | 91% | 4 | 1 |
| 1 a.m. | 96% | 5 | 1 |
| 7 p.m. | 105% | 15 | 1 |
| 8 p.m. | 91% | 13 | 1 |
| 9 p.m. | 82% | 11 | 1 |
| 10 p.m. | 73% | 8 | 1 |
| 11 p.m. | 82% | 7 | 1 |
By day and hour
- 0–60 %
- 60–85 %
- 85–100 %
- 100–120 %
- 120–150 %
- 150 %+
- No data
Average stretcher occupancy for every hour of every weekday, Québec time. The darker the cell, the busier the emergency room; dotted cells have no reading yet.
| Day | Hour | Average occupancy | Readings |
|---|---|---|---|
| Mon | 12 a.m. | 91% | 1 |
| Mon | 1 a.m. | 96% | 1 |
| Sun | 7 p.m. | 105% | 1 |
| Sun | 8 p.m. | 91% | 1 |
| Sun | 9 p.m. | 82% | 1 |
| Sun | 10 p.m. | 73% | 1 |
| Sun | 11 p.m. | 82% | 1 |
Last 7 days
Over the last 7 days, occupancy averaged 88%, between 73% and 105%.
| Time | Occupancy | Present | Waiting |
|---|---|---|---|
| Sun, Sep 13, 07:00 p.m. | 105% | 44 | 15 |
| Sun, Sep 13, 08:00 p.m. | 91% | 40 | 13 |
| Sun, Sep 13, 09:00 p.m. | 82% | 36 | 11 |
| Sun, Sep 13, 10:00 p.m. | 73% | 32 | 8 |
| Sun, Sep 13, 11:00 p.m. | 82% | 28 | 7 |
| Mon, Sep 14, 12:00 a.m. | 91% | 28 | 4 |
| Mon, Sep 14, 01:00 a.m. | 96% | 28 | 5 |
Compared with the region
Montréal
- This emergency room96%
- Regional average (Montréal)135%
- Québec average107%
Centre Hospitalier de St. Mary is 39 points below its region's average. The Québec average is 107%.
| Comparison | Occupancy |
|---|---|
| This emergency room | 96% |
| Regional average (Montréal) | 135% |
| Québec average | 107% |
History and seasons
The MSSS publishes these figures by fiscal period of about four weeks, one period at a time.
In period 5 of 2026-2027: 14,053 visits and an average length of stay of 10.0 h. The same period in 2025-2026 counted 13,990 visits (0%).
- 2022-2023
- 2023-2024
- 2024-2025
- 2025-2026
- 2026-2027
In period 5 of 2026-2027: 14,053 visits and an average length of stay of 10.0 h. The same period in 2025-2026 counted 13,990 visits (0%).
| Fiscal year | Period | Visits |
|---|---|---|
| 2022-2023 | P5 | 13,197 |
| 2023-2024 | P5 | 12,304 |
| 2024-2025 | P5 | 14,424 |
| 2025-2026 | P5 | 13,990 |
| 2026-2027 | P5 | 14,053 |
Frequently asked questions
- What is the wait at Centre Hospitalier de St. Mary right now?
- At 01:45 a.m., the estimated wait for a non-priority case is about 197 minutes and stretcher occupancy is 96%. The estimate applies to people arriving in the waiting room: priority cases are seen first, everyone else waits longer.
- What is the best time to go to Centre Hospitalier de St. Mary?
- Based on our hourly history, the calmest hours at Centre Hospitalier de St. Mary are 10 p.m., 9 p.m., 11 p.m. (Québec time). An emergency room is open around the clock: in a life-threatening emergency, go now or call 911.
- What if it is not urgent?
- Call 811 for Info-Santé (option 1) to speak with a nurse, Info-Social (option 2), or the primary care access point (GAP, option 3) if you have no family doctor. Your pharmacist can also handle many common problems. In a life-threatening emergency, call 911.
Sources: ministère de la Santé et des Services sociaux (hourly emergency-room reading) and Québec.ca for the estimated wait. These figures describe how busy an ER is, not the quality of care, and are not medical advice. In a life-threatening emergency, call 911.