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Solar flares in January 2012
C-class86
M-class5
X-class1
LargestX1.72012-01-27
Sunspot number90.1NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| January 2011 | 18 | 1 | 0 | M1.3 |
| January 2012 | 86 | 5 | 1 | X1.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2012-01-27 | 17:37 | 18:37 | 79 | X1.7 | N27W71 | 11402 |
| 2012-01-23 | 03:38 | 03:59 | 56 | M8.7 | N18W25 | 11401 |
| 2012-01-19 | 13:44 | 16:05 | 246 | M3.2 | N30E30 | 11402 |
| 2012-01-18 | 19:04 | 19:12 | 23 | M1.7 | N17E33 | 11401 |
| 2012-01-14 | 13:14 | 13:18 | 6 | M1.4 | – | – |
| 2012-01-17 | 04:41 | 04:53 | 26 | M1.0 | N18E54 | 11401 |
| 2012-01-26 | 01:40 | 01:49 | 20 | C7.9 | – | – |
| 2012-01-22 | 02:32 | 02:57 | 34 | C7.1 | – | – |
| 2012-01-16 | 02:36 | 04:44 | 250 | C6.5 | – | – |
| 2012-01-26 | 03:58 | 05:42 | 185 | C6.4 | – | – |
| 2012-01-26 | 00:26 | 00:36 | 33 | C5.8 | – | – |
| 2012-01-16 | 10:31 | 10:38 | 51 | C5.6 | – | – |
| 2012-01-27 | 06:24 | 06:42 | 29 | C5.5 | N31W74 | 11402 |
| 2012-01-18 | 22:57 | 23:20 | 36 | C5.1 | N29E32 | 11402 |
| 2012-01-08 | 02:09 | 02:27 | 37 | C4.9 | – | – |
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
92 flares of class C or larger in January 2012; by M/X count it ranks 302 of 565 months.