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Solar flares in December 2010
C-class4
M-class0
X-class0
LargestC5.32010-12-15
Sunspot number22.0NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| December 2009 | 14 | 0 | 0 | C7.6 |
| December 2010 | 4 | 0 | 0 | C5.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2010-12-15 | 06:27 | 06:39 | 23 | C5.3 | – | 11135 |
| 2010-12-14 | 15:03 | 15:50 | 112 | C2.3 | N16W55 | 11133 |
| 2010-12-31 | 04:18 | 04:25 | 14 | C1.3 | – | 11138 |
| 2010-12-01 | 06:15 | 06:22 | 20 | C1.0 | – | 11130 |
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
4 flares of class C or larger in December 2010; by M/X count it ranks 532 of 565 months.