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Solar flares in April 2016
C-class35
M-class1
X-class0
LargestM6.72016-04-18
Sunspot number39.3NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| April 2015 | 109 | 11 | 0 | M4.0 |
| April 2016 | 35 | 1 | 0 | M6.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2016-04-18 | 00:14 | 00:29 | 25 | M6.7 | N12W62 | 12529 |
| 2016-04-16 | 19:42 | 19:58 | 30 | C5.8 | N13W43 | 12529 |
| 2016-04-15 | 14:04 | 14:30 | 39 | C4.1 | N13W16 | 12529 |
| 2016-04-13 | 23:28 | 23:43 | 33 | C2.9 | – | – |
| 2016-04-09 | 12:15 | 13:42 | 149 | C2.8 | N10E64 | 12529 |
| 2016-04-17 | 17:17 | 17:30 | 30 | C2.4 | N13W43 | 12529 |
| 2016-04-07 | 11:06 | 11:13 | 15 | C1.9 | – | – |
| 2016-04-28 | 12:46 | 12:51 | 8 | C1.9 | N05E21 | 12535 |
| 2016-04-09 | 22:50 | 22:55 | 15 | C1.8 | N07E57 | 12529 |
| 2016-04-12 | 07:40 | 07:51 | 30 | C1.8 | – | – |
| 2016-04-14 | 13:21 | 13:32 | 23 | C1.8 | N11W14 | 12529 |
| 2016-04-28 | 05:57 | 06:02 | 8 | C1.8 | – | – |
| 2016-04-09 | 16:09 | 16:13 | 7 | C1.7 | N09E62 | 12529 |
| 2016-04-28 | 08:45 | 08:52 | 10 | C1.7 | N04E26 | 12535 |
| 2016-04-09 | 05:25 | 05:30 | 10 | C1.6 | – | – |
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
36 flares of class C or larger in April 2016; by M/X count it ranks 440 of 565 months.