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Solar flares in February 2018
C-class13
M-class1
X-class0
LargestM1.22018-02-07
Sunspot number11.5NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 2017 | 6 | 0 | 0 | C4.1 |
| February 2018 | 13 | 1 | 0 | M1.2 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2018-02-07 | 13:30 | 13:47 | 24 | M1.2 | – | – |
| 2018-02-10 | 12:58 | 13:21 | 38 | C7.0 | – | – |
| 2018-02-07 | 14:34 | 14:39 | 10 | C2.6 | – | – |
| 2018-02-12 | 00:26 | 01:36 | 173 | C2.2 | – | – |
| 2018-02-04 | 20:13 | 20:24 | 17 | C1.6 | – | – |
| 2018-02-06 | 18:39 | 18:58 | – | C1.6 | – | – |
| 2018-02-06 | 19:09 | 19:14 | 10 | C1.4 | – | – |
| 2018-02-05 | 18:15 | 18:24 | 11 | C1.2 | – | – |
| 2018-02-11 | 09:47 | 10:03 | 28 | C1.2 | – | – |
| 2018-02-07 | 00:28 | 00:39 | 17 | C1.1 | – | – |
| 2018-02-08 | 16:46 | 16:59 | – | C1.1 | – | – |
| 2018-02-04 | 21:10 | 21:15 | – | C1.0 | – | – |
| 2018-02-08 | 17:01 | 17:07 | 8 | C1.0 | – | – |
| 2018-02-09 | 15:39 | 15:47 | 13 | C1.0 | – | – |
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
14 flares of class C or larger in February 2018; by M/X count it ranks 443 of 565 months.