| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/05/10 | 5 | 10 | BXO | N02E26 | |
| 2025/05/11 | 6 | 30 | DSO | N02E10 | |
| 2025/05/12 | 2 | 30 | CRO | N03W01 | |
| 2025/05/13 | 3 | 10 | BXO | N03W16 | |
| 2025/05/14 | 2 | 10 | BXO | N03W32 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.8 | 2025/05/11 | 14:52 | 15:01 | 15:10 | |
| 2 | C3.7 | 2025/05/13 | 13:49 | 13:57 | 14:00 | |
| 3 | C2.3 | 2025/05/13 | 22:33 | 22:41 | 22:53 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M7.6 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |