| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/05/30 | 3 | 80 | DSO | N06E42 | |
| 2025/05/31 | 3 | 80 | DSO | N06E27 | |
| 2025/06/01 | 3 | 40 | DAO | N06E15 | |
| 2025/06/02 | 4 | 30 | DAO | N06W00 | |
| 2025/06/03 | 2 | 10 | AXX | N06W12 |
| C | M |
|---|---|
| 3 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.66 | 2025/05/30 | 18:22 | 18:39 | 18:54 | |
| 2 | C4.1 | 2025/05/30 | 18:05 | 18:19 | 18:22 | |
| 3 | C3.6 | 2025/05/30 | 10:41 | 10:58 | 11:16 | |
| 4 | C1.9 | 2025/05/30 | 15:23 | 15:32 | 15:39 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/27 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| 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 | 85 -0.9 |
| Last 30 days | 90.9 +8.3 |