| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/03/28 | 3 | 10 | CRO | S16W10 | |
| 2025/03/29 | 3 | 20 | CRO | S15W24 | |
| 2025/03/30 | 10 | 70 | DAI | S15W38 | |
| 2025/03/31 | 10 | 60 | DAO | S15W51 | |
| 2025/04/01 | 4 | 50 | CRO | S15W64 | |
| 2025/04/02 | 2 | 10 | AXX | S15W77 | |
| 2025/04/03 | 2 | 10 | AXX | S15W95 |
| C |
|---|
| 3 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.6 | 2025/04/01 | 02:58 | 03:06 | 03:30 | |
| 2 | C2.8 | 2025/04/01 | 03:30 | 03:35 | 03:39 | |
| 3 | C2.0 | 2025/04/03 | 10:18 | 10:29 | 10:44 |
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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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |