Home › Flare history › 2021
Solar flares in February 2021
C-class2
M-class0
X-class0
LargestC3.92021-02-28
Sunspot number8.4NOAA SWPC
Flares per day (C and above)
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2021-02-28 | 06:40 | 06:46 | 10 | C3.9 | – | – |
| 2021-02-27 | 17:51 | 18:00 | 13 | C2.7 | – | – |
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
2 flares of class C or larger in February 2021; by M/X count it ranks 563 of 565 months.