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Solar flares in May 2024
C-class228
M-class128
X-class20
LargestX8.62024-05-14
Sunspot number146.3NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| May 2023 | 316 | 58 | 0 | M9.6 |
| May 2024 | 228 | 128 | 20 | X8.6 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2024-05-14 | 16:46 | 16:51 | 15 | X8.6 | – | – |
| 2024-05-11 | 01:10 | 01:23 | 28 | X5.8 | – | – |
| 2024-05-06 | 05:38 | 06:35 | 68 | X4.4 | – | – |
| 2024-05-10 | 06:27 | 06:54 | 38 | X3.9 | – | – |
| 2024-05-15 | 08:18 | 08:37 | 33 | X3.4 | – | – |
| 2024-05-15 | 14:20 | 14:38 | 30 | X2.9 | – | – |
| 2024-05-27 | 06:49 | 07:08 | 35 | X2.8 | – | – |
| 2024-05-09 | 08:45 | 09:13 | 50 | X2.2 | – | – |
| 2024-05-14 | 02:03 | 02:09 | 15 | X1.6 | – | – |
| 2024-05-11 | 11:15 | 11:44 | 49 | X1.5 | – | – |
| 2024-05-29 | 14:11 | 14:37 | 87 | X1.4 | – | – |
| 2024-05-05 | 05:47 | 06:01 | 19 | X1.3 | – | – |
| 2024-05-05 | 11:41 | 11:54 | 34 | X1.2 | – | – |
| 2024-05-14 | 12:40 | 12:55 | 24 | X1.2 | – | – |
| 2024-05-09 | 17:23 | 17:44 | 37 | X1.1 | – | – |
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
376 flares of class C or larger in May 2024; by M/X count it ranks 1 of 565 months.