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Solar flares in October 2001
C-class228
M-class32
X-class4
LargestX1.62001-10-19
Sunspot number197.0NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| October 2000 | 148 | 11 | 0 | M5.0 |
| October 2001 | 228 | 32 | 4 | X1.6 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2001-10-19 | 00:47 | 01:05 | 26 | X1.6 | N16W18 | 9661 |
| 2001-10-19 | 16:13 | 16:30 | 30 | X1.6 | N15W29 | 9661 |
| 2001-10-25 | 14:42 | 15:02 | 46 | X1.3 | S16W21 | 9672 |
| 2001-10-22 | 17:44 | 17:59 | 30 | X1.2 | S18E16 | 9672 |
| 2001-10-01 | 04:41 | 05:15 | 42 | M9.1 | – | – |
| 2001-10-22 | 14:27 | 15:08 | 64 | M6.7 | S21E18 | 9672 |
| 2001-10-23 | 02:11 | 02:23 | 23 | M6.5 | S18E11 | 9672 |
| 2001-10-19 | 09:35 | 09:43 | 20 | M5.7 | S14W47 | 9658 |
| 2001-10-29 | 10:56 | 11:13 | 23 | M3.6 | N12E25 | 9682 |
| 2001-10-19 | 23:14 | 23:25 | 19 | M3.3 | S17W57 | 9658 |
| 2001-10-31 | 07:34 | 08:09 | 45 | M3.2 | N11E02 | 9682 |
| 2001-10-06 | 05:19 | 05:25 | 14 | M2.8 | – | – |
| 2001-10-21 | 11:12 | 11:36 | 36 | M2.5 | N13W56 | 9661 |
| 2001-10-26 | 14:28 | 14:35 | 9 | M2.0 | N07E16 | 9678 |
| 2001-10-26 | 09:52 | 10:04 | 21 | M1.6 | – | – |
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.
← September 2001November 2001 →
About this page
264 flares of class C or larger in October 2001; by M/X count it ranks 83 of 565 months.