Solar Flare WatchHome › Flare history › 2026
Solar flares in March 2026
C-class134
M-class2
X-class1
LargestX1.42026-03-30
Sunspot number89.9NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2025 | 210 | 21 | 1 | X1.1 |
| March 2026 | 134 | 2 | 1 | X1.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2026-03-30 | 02:47 | 03:19 | 57 | X1.4 | – | – |
| 2026-03-26 | 06:11 | 06:23 | 20 | M3.9 | – | – |
| 2026-03-16 | 12:00 | 12:15 | 24 | M2.7 | – | – |
| 2026-03-13 | 20:09 | 20:23 | 23 | C8.9 | – | – |
| 2026-03-13 | 14:57 | 15:18 | 51 | C8.0 | – | – |
| 2026-03-09 | 20:21 | 20:38 | 29 | C7.8 | – | – |
| 2026-03-13 | 20:33 | 20:41 | 12 | C7.5 | – | – |
| 2026-03-24 | 17:18 | 17:54 | 66 | C7.2 | – | – |
| 2026-03-01 | 01:55 | 02:06 | 26 | C6.1 | – | – |
| 2026-03-01 | 07:30 | 07:49 | 33 | C5.9 | – | – |
| 2026-03-16 | 14:40 | 14:57 | 27 | C5.9 | – | – |
| 2026-03-01 | 06:07 | 06:15 | 15 | C5.2 | – | – |
| 2026-03-13 | 12:36 | 12:54 | 40 | C5.1 | – | – |
| 2026-03-01 | 01:24 | 01:32 | 12 | C4.7 | – | – |
| 2026-03-10 | 18:32 | 18:45 | 23 | C4.6 | – | – |
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
137 flares of class C or larger in March 2026; by M/X count it ranks 370 of 565 months.