Solar Flare WatchSolar flares in 2018
C33
M1
X0
LargestM1.22018-02-07
M/X flares by month
Nearby years (M + X)
111
221
106
16
54
1
3
2
30
200
364
Top 20 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2018-02-07 | 13:30 | 13:47 | 24 | M1.2 | – | – |
| 2018-03-30 | 07:53 | 08:04 | 15 | C7.1 | – | – |
| 2018-02-10 | 12:58 | 13:21 | 38 | C7.0 | – | – |
| 2018-05-28 | 17:03 | 17:14 | 14 | C5.1 | – | – |
| 2018-06-21 | 01:07 | 01:15 | 11 | C3.2 | – | – |
| 2018-05-23 | 18:03 | 18:17 | 29 | C3.1 | – | – |
| 2018-03-02 | 10:51 | 11:07 | 22 | C3.0 | – | – |
| 2018-02-07 | 14:34 | 14:39 | 10 | C2.6 | – | – |
| 2018-07-06 | 19:32 | 20:07 | 70 | 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 | – | – |
| 2018-06-06 | 10:40 | 11:00 | 26 | C1.6 | – | – |
| 2018-01-18 | 07:22 | 07:35 | 17 | C1.4 | – | – |
| 2018-01-22 | 02:33 | 02:57 | 47 | C1.4 | – | – |
| 2018-02-06 | 19:09 | 19:14 | 10 | C1.4 | – | – |
| 2018-05-24 | 12:22 | 12:30 | 13 | C1.4 | – | – |
| 2018-04-01 | 12:46 | 13:07 | 33 | C1.3 | – | – |
| 2018-05-22 | 14:46 | 14:59 | 32 | C1.3 | – | – |
| 2018-06-24 | 01:29 | 01:45 | 22 | C1.3 | – | – |
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
34 flares of class C+ in 2018: 1 M-class and 0 X-class.