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Solar flares in October 2020
C-class14
M-class0
X-class0
LargestC4.32020-10-27
Sunspot number13.2NOAA SWPC
Flares per day (C and above)
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2020-10-27 | 06:11 | 06:16 | 9 | C4.3 | – | – |
| 2020-10-29 | 11:36 | 11:50 | 29 | C4.3 | – | – |
| 2020-10-16 | 14:57 | 15:11 | 18 | C3.5 | – | – |
| 2020-10-27 | 11:07 | 11:18 | 16 | C2.2 | – | – |
| 2020-10-16 | 12:46 | 12:57 | 16 | C1.5 | – | – |
| 2020-10-27 | 13:31 | 13:41 | 22 | C1.5 | – | – |
| 2020-10-27 | 04:32 | 04:42 | 13 | C1.4 | – | – |
| 2020-10-28 | 21:59 | 22:11 | 18 | C1.4 | – | – |
| 2020-10-29 | 20:00 | 20:16 | 37 | C1.4 | – | – |
| 2020-10-27 | 09:47 | 09:52 | 8 | C1.3 | – | – |
| 2020-10-28 | 19:34 | 19:43 | 11 | C1.3 | – | – |
| 2020-10-29 | 15:53 | 16:02 | 14 | C1.3 | – | – |
| 2020-10-28 | 02:00 | 02:11 | 15 | C1.1 | – | – |
| 2020-10-28 | 20:40 | 20:54 | 17 | C1.1 | – | – |
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
14 flares of class C or larger in October 2020; by M/X count it ranks 560 of 565 months.