Solar Flare WatchSolar flares in 2015
C1301
M104
X2
LargestX2.72015-05-05
M/X flares by month
- January 2015
- February 2015
- March 2015
- April 2015
- May 2015
- June 2015
- July 2015
- August 2015
- September 2015
- October 2015
- November 2015
- December 2015
Nearby years (M + X)
23
119
130
111
221
106
16
54
1
3
2
Top 20 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2015-05-05 | 22:05 | 22:11 | 10 | X2.7 | – | – |
| 2015-03-11 | 16:11 | 16:22 | 18 | X2.2 | S17E21 | 12297 |
| 2015-03-07 | 21:59 | 22:22 | 50 | M9.2 | – | – |
| 2015-03-03 | 01:25 | 01:35 | 17 | M8.2 | N21W87 | 12290 |
| 2015-06-25 | 08:02 | 08:16 | 63 | M7.9 | N09W42 | 12371 |
| 2015-06-22 | 17:39 | 18:23 | 72 | M6.6 | N12W08 | 12371 |
| 2015-03-09 | 23:29 | 23:53 | 43 | M5.8 | – | – |
| 2015-01-13 | 04:13 | 04:24 | 25 | M5.6 | N06W70 | 12257 |
| 2015-08-24 | 07:26 | 07:33 | 9 | M5.6 | S15W04 | 12403 |
| 2015-10-02 | 00:06 | 00:13 | 11 | M5.5 | S19W67 | 12422 |
| 2015-03-10 | 03:19 | 03:24 | 9 | M5.1 | S15E40 | 12297 |
| 2015-01-13 | 04:46 | 04:58 | 24 | M4.9 | N06W70 | 12257 |
| 2015-12-23 | 00:23 | 00:40 | 29 | M4.7 | S22E63 | 12473 |
| 2015-03-09 | 14:22 | 14:33 | 15 | M4.5 | S16E49 | 12297 |
| 2015-10-01 | 13:03 | 13:10 | 11 | M4.5 | S23W64 | 12422 |
| 2015-03-12 | 13:50 | 14:08 | 23 | M4.2 | S15E06 | 12297 |
| 2015-03-02 | 19:21 | 19:31 | 15 | M4.1 | – | – |
| 2015-04-21 | 15:24 | 15:45 | 27 | M4.0 | N09W85 | 12322 |
| 2015-11-09 | 12:49 | 13:12 | 39 | M3.9 | S11E41 | 12449 |
| 2015-06-21 | 09:38 | 09:44 | 12 | M3.8 | S21W57 | 12367 |
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
1,407 flares of class C+ in 2015: 104 M-class and 2 X-class.