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Solar flares in March 2025
C-class210
M-class21
X-class1
LargestX1.12025-03-28
Sunspot number127.7NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2024 | 239 | 51 | 2 | X1.1 |
| March 2025 | 210 | 21 | 1 | X1.1 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2025-03-28 | 14:57 | 15:20 | 45 | X1.1 | – | – |
| 2025-03-27 | 00:18 | 00:37 | 32 | M2.0 | – | – |
| 2025-03-29 | 22:38 | 23:00 | 42 | M1.9 | – | – |
| 2025-03-05 | 11:45 | 11:50 | 8 | M1.7 | – | – |
| 2025-03-28 | 23:20 | 23:39 | 32 | M1.7 | – | – |
| 2025-03-07 | 20:54 | 21:00 | 14 | M1.6 | – | – |
| 2025-03-30 | 16:27 | 16:42 | – | M1.6 | – | – |
| 2025-03-19 | 20:21 | 20:40 | 25 | M1.5 | – | – |
| 2025-03-30 | 01:19 | 01:48 | 41 | M1.5 | – | – |
| 2025-03-30 | 23:10 | 23:19 | 20 | M1.5 | – | – |
| 2025-03-29 | 21:19 | 21:38 | 49 | M1.4 | – | – |
| 2025-03-30 | 17:00 | 17:07 | 13 | M1.4 | – | – |
| 2025-03-30 | 22:43 | 22:50 | 12 | M1.4 | – | – |
| 2025-03-21 | 15:34 | 15:58 | 48 | M1.2 | – | – |
| 2025-03-31 | 10:16 | 10:24 | 20 | M1.2 | – | – |
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
232 flares of class C or larger in March 2025; by M/X count it ranks 153 of 565 months.