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Solar flares in January 2013
C-class103
M-class5
X-class0
LargestM1.82013-01-05
Sunspot number99.9NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| January 2012 | 86 | 5 | 1 | X1.7 |
| January 2013 | 103 | 5 | 0 | M1.8 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2013-01-05 | 09:26 | 09:31 | 8 | M1.8 | – | – |
| 2013-01-13 | 08:35 | 08:38 | 5 | M1.7 | – | – |
| 2013-01-11 | 08:43 | 09:11 | 34 | M1.2 | – | – |
| 2013-01-11 | 14:51 | 15:07 | 33 | M1.0 | N07E38 | 11654 |
| 2013-01-13 | 00:45 | 00:50 | 7 | M1.0 | – | – |
| 2013-01-11 | 06:07 | 06:14 | 11 | C9.2 | – | – |
| 2013-01-10 | 17:33 | 17:46 | 24 | C8.0 | N04E56 | 11654 |
| 2013-01-14 | 01:15 | 01:22 | 10 | C6.5 | N14W31 | 11652 |
| 2013-01-18 | 16:50 | 17:07 | 22 | C5.8 | N12E30 | – |
| 2013-01-12 | 02:10 | 02:24 | 30 | C5.2 | – | – |
| 2013-01-11 | 19:37 | 19:46 | 38 | C4.5 | – | – |
| 2013-01-11 | 02:43 | 02:49 | 11 | C4.3 | – | – |
| 2013-01-08 | 19:04 | 19:12 | 15 | C4.0 | – | – |
| 2013-01-12 | 19:26 | 19:33 | 12 | C3.9 | N05E17 | 11654 |
| 2013-01-11 | 06:37 | 06:41 | 11 | C3.8 | – | – |
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.
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About this page
108 flares of class C or larger in January 2013; by M/X count it ranks 317 of 565 months.