Solar Flares in December, 2001
45 flares ↑ MAX: X6.4 ↓ MIN: B9.8
45 flares ↑ MAX: X6.4 ↓ MIN: B9.8
In December 2001, 45 solar flares were recorded; the strongest was X6.4 on December 13, 2001. The longest run of consecutive active days was 7 (23 Dec–29 Dec).
Most powerful Solar Flares in December 2001
| Date | Class | Level | Duration |
|---|---|---|---|
| December 13, 2001 | X6.4 | High level | 41 min |
| December 28, 2001 | X3.5 | High level | 10 h 6 min |
| December 11, 2001 | X2.9 | High level | 26 min |
| December 29, 2001 | M10 | Moderate level | 1 h 21 min |
| December 26, 2001 | M7.6 | Moderate level | 4 h 26 min |
| December 12, 2001 | M6.1 | Moderate level | 46 min |
| December 12, 2001 | M5.2 | Moderate level | 11 min |
| December 28, 2001 | M5.2 | Moderate level | 11 min |
| December 1, 2001 | M4.9 | Moderate level | 3 h 26 min |
| December 14, 2001 | M4.7 | Moderate level | 1 h 26 min |
| December 14, 2001 | M3.6 | Moderate level | 1 h 36 min |
| December 24, 2001 | M3.6 | Moderate level | 26 min |
| December 8, 2001 | M3.5 | Moderate level | 1 h 1 min |
| December 29, 2001 | M3.4 | Moderate level | 36 min |
| December 12, 2001 | M3.2 | Moderate level | 16 min |
| December 29, 2001 | M3 | Moderate level | 2 h 17 min |
| December 27, 2001 | M2.5 | Moderate level | 56 min |
| December 1, 2001 | M2.3 | Moderate level | — |
| December 2, 2001 | M2.3 | Moderate level | 1 h 27 min |
| December 13, 2001 | M2.1 | Moderate level | 21 min |
| December 26, 2001 | M2 | Moderate level | — |
| December 24, 2001 | M1.9 | Moderate level | 3 min |
| December 29, 2001 | M1.9 | Moderate level | 45 min |
| December 16, 2001 | M1.6 | Moderate level | 1 min |
| December 13, 2001 | M1.5 | Moderate level | 21 min |
| December 27, 2001 | M1.5 | Moderate level | 6 min |
| December 29, 2001 | M1.5 | Moderate level | 8 min |
| December 2, 2001 | M1.4 | Moderate level | 1 h 1 min |
| December 4, 2001 | M1.4 | Moderate level | 6 min |
| December 11, 2001 | M1.4 | Moderate level | 2 min |
| December 19, 2001 | M1.4 | Moderate level | — |
| December 24, 2001 | M1.4 | Moderate level | 2 min |
| December 26, 2001 | M1.4 | Moderate level | 7 min |
| December 28, 2001 | M1.4 | Moderate level | 16 min |
| December 26, 2001 | M1.3 | Moderate level | 1 min |
| December 23, 2001 | M1.2 | Moderate level | 11 min |
| December 25, 2001 | M1.2 | Moderate level | 2 min |
| December 4, 2001 | M1.1 | Moderate level | 1 min |
| December 16, 2001 | M1.1 | Moderate level | — |
| December 26, 2001 | M1.1 | Moderate level | — |
| December 27, 2001 | M1.1 | Moderate level | 2 min |
| December 6, 2001 | M1 | Moderate level | — |
| December 13, 2001 | M1 | Moderate level | — |
| December 25, 2001 | M1 | Moderate level | — |
| December 28, 2001 | M1 | Moderate level | — |