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Solar flares in October 2013
C-class190
M-class33
X-class4
LargestX2.32013-10-29
Sunspot number127.2NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| October 2012 | 99 | 6 | 1 | X1.8 |
| October 2013 | 190 | 33 | 4 | X2.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2013-10-29 | 21:42 | 21:54 | 19 | X2.3 | – | – |
| 2013-10-25 | 14:51 | 15:03 | 21 | X2.1 | – | – |
| 2013-10-25 | 07:53 | 08:01 | 16 | X1.7 | – | – |
| 2013-10-28 | 01:41 | 02:03 | 31 | X1.0 | N04W66 | 11875 |
| 2013-10-24 | 00:21 | 00:30 | 14 | M9.3 | S10E08 | 11877 |
| 2013-10-28 | 04:32 | 04:41 | 14 | M5.1 | S11W46 | 11877 |
| 2013-10-28 | 15:07 | 15:15 | 14 | M4.4 | S08E28 | 11882 |
| 2013-10-22 | 21:15 | 21:20 | 7 | M4.2 | N04W01 | 11875 |
| 2013-10-24 | 10:30 | 10:33 | 7 | M3.5 | S07E05 | 11877 |
| 2013-10-27 | 12:36 | 12:48 | 16 | M3.5 | S09E71 | 11884 |
| 2013-10-23 | 23:58 | 00:08 | 18 | M3.1 | – | – |
| 2013-10-26 | 19:24 | 19:27 | 6 | M3.1 | S09E81 | 11884 |
| 2013-10-25 | 02:48 | 03:02 | 24 | M2.9 | – | – |
| 2013-10-09 | 01:23 | 01:48 | 33 | M2.8 | – | – |
| 2013-10-28 | 14:00 | 14:05 | 12 | M2.8 | N06W75 | 11875 |
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
227 flares of class C or larger in October 2013; by M/X count it ranks 80 of 565 months.