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Solar flares in February 2017
C-class6
M-class0
X-class0
LargestC4.12017-02-22
Sunspot number22.1NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 2016 | 102 | 4 | 0 | M1.8 |
| February 2017 | 6 | 0 | 0 | C4.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2017-02-22 | 13:03 | 13:27 | 35 | C4.1 | N22E48 | 12638 |
| 2017-02-09 | 03:20 | 03:26 | 9 | C1.3 | – | – |
| 2017-02-23 | 20:36 | 20:53 | 41 | C1.3 | N19E25 | 12638 |
| 2017-02-09 | 01:45 | 01:51 | 11 | C1.1 | – | – |
| 2017-02-09 | 06:55 | 07:02 | 9 | C1.1 | N06E23 | 12635 |
| 2017-02-24 | 00:04 | 00:12 | 10 | C1.1 | N20E29 | 12638 |
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
6 flares of class C or larger in February 2017; by M/X count it ranks 542 of 565 months.