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Solar flares in March 2024
C-class239
M-class51
X-class2
LargestX1.12024-03-23
Sunspot number103.1NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2023 | 164 | 20 | 2 | X2.0 |
| March 2024 | 239 | 51 | 2 | X1.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2024-03-23 | 00:58 | 01:33 | 83 | X1.1 | – | – |
| 2024-03-28 | 20:50 | 20:56 | 9 | X1.1 | – | – |
| 2024-03-28 | 20:29 | 20:46 | – | M9.7 | – | – |
| 2024-03-30 | 21:01 | 21:16 | – | M9.4 | – | – |
| 2024-03-30 | 21:21 | 21:31 | 17 | M9.3 | – | – |
| 2024-03-10 | 12:00 | 12:13 | 19 | M7.4 | – | – |
| 2024-03-20 | 07:23 | 07:36 | 23 | M7.4 | – | – |
| 2024-03-28 | 06:16 | 06:29 | 19 | M7.0 | – | – |
| 2024-03-18 | 19:02 | 19:19 | 25 | M6.7 | – | – |
| 2024-03-28 | 15:40 | 15:56 | 22 | M6.1 | – | – |
| 2024-03-23 | 13:51 | 13:52 | 23 | M5.2 | – | – |
| 2024-03-25 | 06:37 | 06:44 | 9 | M4.4 | – | – |
| 2024-03-22 | 20:18 | 20:32 | 26 | M4.2 | – | – |
| 2024-03-23 | 15:01 | 15:13 | – | M3.8 | – | – |
| 2024-03-23 | 15:17 | 15:22 | 9 | M3.7 | – | – |
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
292 flares of class C or larger in March 2024; by M/X count it ranks 33 of 565 months.