| May | Year to date (May) | ||||
|---|---|---|---|---|---|---|
2026 | 2025 | 2021-2025 average | 2026 | 2025 | 2021-2025 average | |
| Canada | 5 | 4 | 4 | 33 | 23 | 26 |
| Newfoundland | 0 | 0 | 0 | 0 | 0 | 0 |
| Nova Scotia | 0 | 0 | 0 | 0 | 0 | 0 |
| New Brunswick | 0 | 0 | 0 | 0 | 0 | 0 |
| Quebec | 0 | 1 | 1 | 3 | 2 | 2 |
| Ontario | 3 | 0 | 0 | 12 | 2 | 4 |
| Manitoba | 0 | 1 | 1 | 0 | 1 | 2 |
| Saskatchewan | 0 | 0 | 0 | 5 | 5 | 4 |
| Alberta | 1 | 1 | 1 | 3 | 6 | 5 |
| British Columbia | 1 | 1 | 2 | 10 | 7 | 8 |
| Northwest Territories | 0 | 0 | 0 | 0 | 0 | 0 |
| Canada - with dangerous goods involved | 1 | 0 | 0 | 6 | 2 | 3 |
| Newfoundland | 0 | 0 | 0 | 0 | 0 | 0 |
| Nova Scotia | 0 | 0 | 0 | 0 | 0 | 0 |
| New Brunswick | 0 | 0 | 0 | 0 | 0 | 0 |
| Quebec | 0 | 0 | 0 | 1 | 0 | 0 |
| Ontario | 0 | 0 | 0 | 3 | 0 | 1 |
| Manitoba | 0 | 0 | 0 | 0 | 0 | 0 |
| Saskatchewan | 0 | 0 | 0 | 0 | 1 | 1 |
| Alberta | 0 | 0 | 0 | 0 | 1 | 1 |
| British Columbia | 1 | 0 | 0 | 2 | 0 | 0 |
| Northwest Territories | 0 | 0 | 0 | 0 | 0 | 0 |
Data extracted 17 June 2026 All 5-year averages have been rounded. The totals sometimes do not coincide to the sum of these averages. | ||||||