| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/18 | 7 | 50 | CSO | S02E55 | |
| 2025/04/19 | 5 | 40 | CSO | S03E42 | |
| 2025/04/20 | 3 | 40 | CSO | S03E26 | |
| 2025/04/21 | 2 | 20 | CRO | S03E14 | |
| 2025/04/22 | 2 | 10 | BXO | S03E01 | |
| 2025/04/23 | 1 | 10 | AXX | S03W19 | |
| 2025/04/24 | 1 | 10 | AXX | S03W27 | |
| 2025/04/27 | 2 | 10 | AXX | S04W63 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.0 | 2025/04/24 | 02:31 | 02:37 | 02:39 |
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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 | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |