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Solar flares in November 2011
C-class171
M-class13
X-class1
LargestX1.92011-11-03
Sunspot number131.8NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| November 2010 | 25 | 3 | 0 | M5.4 |
| November 2011 | 171 | 13 | 1 | X1.9 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-11-03 | 20:16 | 20:27 | 16 | X1.9 | – | 11339 |
| 2011-11-02 | 21:52 | 22:01 | 27 | M4.3 | – | 11339 |
| 2011-11-05 | 03:08 | 03:35 | 50 | M3.7 | – | 11339 |
| 2011-11-03 | 10:58 | 11:11 | 22 | M2.5 | – | 11339 |
| 2011-11-03 | 23:28 | 23:36 | 16 | M2.1 | – | 11339 |
| 2011-11-15 | 12:30 | 12:43 | 20 | M1.9 | – | 11346 |
| 2011-11-05 | 20:31 | 20:38 | 23 | M1.8 | – | 11339 |
| 2011-11-06 | 06:14 | 06:35 | 27 | M1.4 | – | 11339 |
| 2011-11-06 | 00:46 | 01:03 | 38 | M1.2 | – | 11339 |
| 2011-11-15 | 09:03 | 09:12 | 20 | M1.2 | – | 11348 |
| 2011-11-05 | 11:10 | 11:21 | 32 | M1.1 | – | 11339 |
| 2011-11-09 | 13:04 | 13:35 | 68 | M1.1 | – | 11342 |
| 2011-11-15 | 22:27 | 22:35 | 15 | M1.1 | – | 11348 |
| 2011-11-04 | 20:31 | 20:40 | 15 | M1.0 | – | 11339 |
| 2011-11-03 | 22:56 | 23:13 | 28 | C9.2 | – | 11339 |
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.
About this page
185 flares of class C or larger in November 2011; by M/X count it ranks 198 of 565 months.