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Solar flares in February 2015
C-class75
M-class2
X-class0
LargestM2.42015-02-09
Sunspot number70.7NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| February 2014 | 189 | 39 | 1 | X4.9 |
| February 2015 | 75 | 2 | 0 | M2.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2015-02-09 | 22:19 | 23:35 | 117 | M2.4 | S08W33 | 12280 |
| 2015-02-04 | 02:08 | 02:15 | 13 | M1.2 | N10W14 | 12277 |
| 2015-02-10 | 01:58 | 02:02 | 9 | C8.3 | S08W42 | 12280 |
| 2015-02-12 | 02:03 | 02:12 | 14 | C6.0 | S06W70 | 12280 |
| 2015-02-28 | 08:58 | 09:39 | 69 | C5.6 | N19W59 | 12290 |
| 2015-02-03 | 10:45 | 10:53 | 14 | C3.9 | N06W03 | 12277 |
| 2015-02-09 | 05:57 | 06:07 | 17 | C3.7 | S13E65 | – |
| 2015-02-18 | 21:53 | 22:08 | 20 | C3.5 | N13W61 | 12282 |
| 2015-02-05 | 09:45 | 09:53 | 19 | C3.3 | S09E25 | 12280 |
| 2015-02-01 | 11:26 | 11:33 | 19 | C3.2 | – | – |
| 2015-02-01 | 21:13 | 21:26 | 23 | C3.1 | S14W54 | 12268 |
| 2015-02-08 | 20:23 | 21:04 | 53 | C3.1 | S07W24 | 12280 |
| 2015-02-09 | 18:22 | 19:10 | 58 | C3.1 | S08W33 | 12280 |
| 2015-02-04 | 18:43 | 19:12 | 54 | C3.0 | S09E47 | 12280 |
| 2015-02-10 | 04:17 | 04:21 | 13 | C2.9 | – | – |
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
77 flares of class C or larger in February 2015; by M/X count it ranks 400 of 565 months.