| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/11/30 | 1 | 30 | HSX | N04E66 | |
| 2025/12/01 | 1 | 40 | HSX | N04E51 | |
| 2025/12/02 | 1 | 40 | HSX | N04E38 | |
| 2025/12/03 | 4 | 50 | CSO | N04E25 | |
| 2025/12/04 | 4 | 40 | CAO | N04E11 | |
| 2025/12/05 | 3 | 30 | CAO | N04W03 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.1 | 2025/11/30 | 00:15 | 00:41 | 00:56 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2025 | 114.6 -15.2 |
| December 2025 | 186 +71.4 |
| Last 30 days | 106.3 +12.6 |