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Solar flares in December 2020
C-class12
M-class0
X-class0
LargestC7.42020-12-07
Sunspot number22.5NOAA SWPC
Flares per day (C and above)
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2020-12-07 | 15:46 | 16:32 | 106 | C7.4 | – | – |
| 2020-12-14 | 14:09 | 14:37 | 46 | C4.0 | – | – |
| 2020-12-01 | 04:08 | 04:27 | 25 | C3.8 | – | – |
| 2020-12-03 | 01:45 | 01:56 | 17 | C1.7 | – | – |
| 2020-12-05 | 00:16 | 00:38 | 35 | C1.6 | – | – |
| 2020-12-06 | 13:19 | 13:27 | 16 | C1.6 | – | – |
| 2020-12-01 | 23:10 | 23:20 | 15 | C1.4 | – | – |
| 2020-12-03 | 23:46 | 23:59 | 42 | C1.4 | – | – |
| 2020-12-01 | 07:13 | 07:21 | 15 | C1.2 | – | – |
| 2020-12-03 | 09:55 | 10:00 | 8 | C1.2 | – | – |
| 2020-12-05 | 11:20 | 11:29 | 15 | C1.2 | – | – |
| 2020-12-05 | 17:59 | 18:06 | 15 | C1.2 | – | – |
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
12 flares of class C or larger in December 2020; by M/X count it ranks 561 of 565 months.