| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2010/03/28 | 1 | 120 | HSX | S21E73 | |
| 2010/03/29 | 1 | 100 | HAX | S22E61 | |
| 2010/03/30 | 1 | 150 | HSX | S23E48 | |
| 2010/03/31 | 2 | 130 | HAX | S23E36 | |
| 2010/04/01 | 1 | 70 | HAX | S22E23 | |
| 2010/04/02 | 2 | 50 | HSX | S22E10 | |
| 2010/04/03 | 4 | 40 | CSO | S23W03 | |
| 2010/04/04 | 4 | 50 | HSX | S22W15 | |
| 2010/04/05 | 3 | 30 | HSX | S23W28 | |
| 2010/04/06 | 3 | 30 | HAX | S25W40 | |
| 2010/04/07 | 2 | 10 | AXX | S25W51 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.05 | 2010/04/03 | 09:04 | 09:54 | 10:58 |
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.3 +22.5 |
| Last 30 days | 110.3 +23.8 |