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Solar flares in January 2010
C-class28
M-class6
X-class0
LargestM3.42010-01-20
Sunspot number21.3NOAA SWPC
Flares per day (C and above)
M/X flares per day
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2010-01-20 | 17:50 | 17:55 | 10 | M3.4 | S26E81 | 11041 |
| 2010-01-19 | 13:03 | 13:41 | 47 | M2.3 | – | 11041 |
| 2010-01-20 | 10:46 | 10:59 | 24 | M1.8 | – | 11041 |
| 2010-01-19 | 20:23 | 20:35 | 23 | M1.7 | – | 11041 |
| 2010-01-20 | 07:42 | 07:49 | 11 | M1.6 | S24E88 | 11041 |
| 2010-01-20 | 06:45 | 07:27 | 49 | M1.0 | S24E87 | 11041 |
| 2010-01-19 | 08:34 | 08:45 | 40 | C5.2 | – | 11040 |
| 2010-01-19 | 17:44 | 17:55 | 37 | C5.1 | – | 11041 |
| 2010-01-20 | 04:48 | 04:57 | 15 | C5.0 | – | 11041 |
| 2010-01-18 | 19:54 | 20:39 | 72 | C4.9 | – | 11041 |
| 2010-01-21 | 01:16 | 01:20 | 8 | C4.9 | S24E79 | 11041 |
| 2010-01-19 | 22:23 | 22:33 | 17 | C4.5 | – | 11041 |
| 2010-01-20 | 00:10 | 00:22 | 20 | C4.0 | – | 11041 |
| 2010-01-20 | 06:10 | 06:18 | 18 | C3.9 | – | 11041 |
| 2010-01-20 | 12:28 | 12:32 | 8 | C3.9 | – | 11041 |
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
34 flares of class C or larger in January 2010; by M/X count it ranks 301 of 565 months.