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Solar flares in December 2001
C-class155
M-class47
X-class3
LargestX6.22001-12-13
Sunspot number217.6NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2000 | 229 | 7 | 0 | M4.3 |
| December 2001 | 155 | 47 | 3 | X6.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2001-12-13 | 14:20 | 14:30 | 15 | X6.2 | N16E09 | 9733 |
| 2001-12-28 | 20:02 | 20:45 | 90 | X3.4 | – | – |
| 2001-12-11 | 07:58 | 08:08 | 16 | X2.8 | N16E41 | 9733 |
| 2001-12-29 | 09:38 | 09:45 | 28 | M9.3 | S07W85 | 9748 |
| 2001-12-26 | 04:32 | 05:40 | 135 | M7.1 | N08W54 | 9742 |
| 2001-12-12 | 21:41 | 22:00 | 37 | M5.6 | – | 9727 |
| 2001-12-01 | 15:00 | 15:55 | 88 | M4.8 | – | – |
| 2001-12-12 | 23:13 | 23:22 | 15 | M4.8 | S19W55 | 9727 |
| 2001-12-28 | 03:42 | 03:51 | 14 | M4.7 | N04W90 | 9742 |
| 2001-12-14 | 19:41 | 19:54 | 21 | M4.4 | N16W04 | 9733 |
| 2001-12-14 | 08:40 | 09:13 | 73 | M3.5 | – | 9736 |
| 2001-12-24 | 13:50 | 14:00 | 20 | M3.5 | – | – |
| 2001-12-08 | 06:02 | 06:34 | 53 | M3.4 | – | – |
| 2001-12-29 | 16:33 | 16:47 | 29 | M3.3 | – | – |
| 2001-12-12 | 19:00 | 19:11 | 18 | M3.0 | – | 9733 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
205 flares of class C or larger in December 2001; by M/X count it ranks 39 of 565 months.