Solar Flares in October, 2003
45 flares ↑ MAX: X18.4 ↓ MIN: A9.9
45 flares ↑ MAX: X18.4 ↓ MIN: A9.9
In October 2003, 45 solar flares were recorded; the strongest was X18.4 on October 28, 2003. The longest run of consecutive active days was 13 (19 Oct–31 Oct).
Most powerful Solar Flares in October 2003
| Date | Class | Level | Duration |
|---|---|---|---|
| October 28, 2003 | X18.4 | High level | 7 h 32 min |
| October 29, 2003 | X10.8 | High level | 3 h 31 min |
| October 23, 2003 | X5.7 | High level | 2 h 41 min |
| October 26, 2003 | X1.4 | High level | 4 h 46 min |
| October 26, 2003 | X1.3 | High level | 4 h 30 min |
| October 19, 2003 | X1.2 | High level | 1 h 1 min |
| October 23, 2003 | X1.1 | High level | 51 min |
| October 22, 2003 | X1 | High level | 2 h 37 min |
| October 24, 2003 | M7.9 | Moderate level | 1 h 51 min |
| October 27, 2003 | M7.1 | Moderate level | 31 min |
| October 27, 2003 | M5.3 | Moderate level | 2 h 1 min |
| October 24, 2003 | M4.3 | Moderate level | 16 min |
| October 22, 2003 | M3.8 | Moderate level | 2 h 26 min |
| October 29, 2003 | M3.7 | Moderate level | 3 h 16 min |
| October 23, 2003 | M3.4 | Moderate level | 2 min |
| October 21, 2003 | M2.5 | Moderate level | 3 h 31 min |
| October 23, 2003 | M2.5 | Moderate level | 2 min |
| October 31, 2003 | M2.2 | Moderate level | 2 min |
| October 20, 2003 | M2 | Moderate level | 31 min |
| October 27, 2003 | M2 | Moderate level | 19 min |
| October 19, 2003 | M1.9 | Moderate level | 21 min |
| October 22, 2003 | M1.8 | Moderate level | 1 h 43 min |
| October 25, 2003 | M1.8 | Moderate level | 46 min |
| October 22, 2003 | M1.7 | Moderate level | 2 h 6 min |
| October 25, 2003 | M1.7 | Moderate level | 6 min |
| October 30, 2003 | M1.7 | Moderate level | 51 min |
| October 30, 2003 | M1.6 | Moderate level | 11 min |
| October 1, 2003 | M1.5 | Moderate level | 6 min |
| October 22, 2003 | M1.4 | Moderate level | — |
| October 24, 2003 | M1.4 | Moderate level | 6 min |
| October 22, 2003 | M1.3 | Moderate level | — |
| October 23, 2003 | M1.3 | Moderate level | 3 min |
| October 25, 2003 | M1.3 | Moderate level | 26 min |
| October 27, 2003 | M1.3 | Moderate level | 21 min |
| October 29, 2003 | M1.2 | Moderate level | 6 min |
| October 30, 2003 | M1.2 | Moderate level | — |
| October 31, 2003 | M1.2 | Moderate level | 6 min |
| October 4, 2003 | M1.1 | Moderate level | — |
| October 19, 2003 | M1.1 | Moderate level | — |
| October 21, 2003 | M1.1 | Moderate level | — |
| October 24, 2003 | M1.1 | Moderate level | — |
| October 26, 2003 | M1.1 | Moderate level | — |
| October 22, 2003 | M1 | Moderate level | — |
| October 23, 2003 | M1 | Moderate level | — |
| October 31, 2003 | M1 | Moderate level | — |