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Solar flares in November 1990
C-class323
M-class25
X-class0
LargestM7.51990-11-26
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| November 1989 | 157 | 58 | 9 | X4.0 |
| November 1990 | 323 | 25 | 0 | M7.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-11-26 | 23:13 | 23:16 | 9 | M7.5 | N18W90 | 6368 |
| 1990-11-19 | 09:52 | 09:52 | 1 | M3.5 | N18E08 | 6368 |
| 1990-11-19 | 13:38 | 13:42 | 28 | M3.2 | N18E06 | 6368 |
| 1990-11-06 | 20:41 | 20:56 | 61 | M3.1 | N08E68 | 6361 |
| 1990-11-24 | 14:09 | 14:19 | 116 | M3.1 | S04E04 | 6377 |
| 1990-11-17 | 20:01 | 20:05 | 8 | M2.4 | N21E18 | 6368 |
| 1990-11-19 | 09:21 | 09:38 | 24 | M2.4 | – | – |
| 1990-11-04 | 17:36 | 17:38 | 52 | M2.1 | S21E15 | 6347 |
| 1990-11-11 | 04:46 | 04:49 | 8 | M2.1 | N10E18 | 6361 |
| 1990-11-20 | 09:45 | 10:05 | 50 | M1.8 | N18W03 | 6368 |
| 1990-11-25 | 22:09 | 22:24 | 44 | M1.8 | N19W74 | 6368 |
| 1990-11-08 | 15:10 | 15:16 | 56 | M1.6 | N17W48 | 6355 |
| 1990-11-13 | 04:32 | 04:44 | 23 | M1.6 | N08W19 | 6361 |
| 1990-11-25 | 18:54 | 18:59 | 38 | M1.5 | N18W71 | 6368 |
| 1990-11-27 | 04:59 | 05:12 | 30 | M1.5 | – | – |
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
348 flares of class C or larger in November 1990; by M/X count it ranks 128 of 565 months.