Solar Flares in October, 2025
31 flares ↑ MAX: M4.8 ↓ MIN: B3.7
31 flares ↑ MAX: M4.8 ↓ MIN: B3.7
In October 2025, 31 solar flares were recorded; the strongest was M4.8 on October 15, 2025. The longest run of consecutive active days was 8 (13 Oct–20 Oct).
Most powerful Solar Flares in October 2025
| Date | Class | Level | Duration |
|---|---|---|---|
| October 15, 2025 | M4.8 | Moderate level | 1 h 26 min |
| October 15, 2025 | M3.7 | Moderate level | 16 min |
| October 14, 2025 | M3.2 | Moderate level | 16 min |
| October 13, 2025 | M2.7 | Moderate level | 26 min |
| October 15, 2025 | M2.7 | Moderate level | 1 h 56 min |
| October 9, 2025 | M2 | Moderate level | 21 min |
| October 14, 2025 | M2 | Moderate level | 2 min |
| October 14, 2025 | M2 | Moderate level | 8 min |
| October 13, 2025 | M1.9 | Moderate level | 31 min |
| October 19, 2025 | M1.8 | Moderate level | 11 min |
| October 3, 2025 | M1.5 | Moderate level | 21 min |
| October 17, 2025 | M1.5 | Moderate level | 6 min |
| October 18, 2025 | M1.5 | Moderate level | 6 min |
| October 17, 2025 | M1.4 | Moderate level | 1 h 5 min |
| October 13, 2025 | M1.3 | Moderate level | 16 min |
| October 16, 2025 | M1.3 | Moderate level | 11 min |
| October 18, 2025 | M1.3 | Moderate level | 21 min |
| October 1, 2025 | M1.2 | Moderate level | 6 min |
| October 1, 2025 | M1.2 | Moderate level | 6 min |
| October 2, 2025 | M1.2 | Moderate level | — |
| October 3, 2025 | M1.2 | Moderate level | 11 min |
| October 15, 2025 | M1.2 | Moderate level | 1 min |
| October 16, 2025 | M1.2 | Moderate level | 11 min |
| October 17, 2025 | M1.2 | Moderate level | 6 min |
| October 18, 2025 | M1.2 | Moderate level | 11 min |
| October 16, 2025 | M1.1 | Moderate level | — |
| October 17, 2025 | M1.1 | Moderate level | — |
| October 17, 2025 | M1.1 | Moderate level | — |
| October 18, 2025 | M1.1 | Moderate level | — |
| October 20, 2025 | M1.1 | Moderate level | 6 min |
| October 19, 2025 | M1 | Moderate level | — |