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Solar flares in May 2016
C-class10
M-class0
X-class0
LargestC3.52016-05-02
Sunspot number48.9NOAA SWPC
Flares per day (C and above)
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 2015 | 109 | 5 | 1 | X2.7 |
| May 2016 | 10 | 0 | 0 | C3.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2016-05-02 | 08:32 | 08:42 | 15 | C3.5 | – | – |
| 2016-05-01 | 23:30 | 23:38 | 17 | C2.5 | – | – |
| 2016-05-01 | 09:14 | 09:22 | 13 | C2.4 | N17E42 | 12539 |
| 2016-05-30 | 07:33 | 07:37 | 9 | C1.4 | N13W21 | 12550 |
| 2016-05-24 | 10:16 | 10:20 | 7 | C1.3 | S11W59 | 12546 |
| 2016-05-17 | 04:00 | 04:08 | 10 | C1.2 | – | – |
| 2016-05-26 | 13:31 | 13:36 | 9 | C1.1 | N14W31 | 12548 |
| 2016-05-21 | 13:55 | 14:00 | 12 | C1.0 | S08W17 | 12546 |
| 2016-05-26 | 13:45 | 13:51 | 12 | C1.0 | N14W31 | 12548 |
| 2016-05-30 | 13:18 | 13:24 | 10 | C1.0 | N15W24 | 12550 |
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
10 flares of class C or larger in May 2016; by M/X count it ranks 536 of 565 months.