| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/03/09 | 1 | 50 | HSX | N18E53 | |
| 2025/03/10 | 1 | 50 | HSX | N18E39 | |
| 2025/03/11 | 1 | 50 | HSX | N18E36 | |
| 2025/03/12 | 1 | 50 | HSX | N19E22 | |
| 2025/03/13 | 1 | 50 | HSX | N19E09 | |
| 2025/03/14 | 1 | 40 | HSX | N19W03 | |
| 2025/03/15 | 1 | 70 | HSX | N20W15 | |
| 2025/03/16 | 1 | 30 | HAX | N20W28 | |
| 2025/03/17 | 1 | 20 | HAX | N20W42 | |
| 2025/03/18 | 1 | 20 | HAX | N19W54 | |
| 2025/03/19 | 1 | 10 | AXX | N19W68 | |
| 2025/03/20 | 1 | 10 | AXX | N19W80 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.1 | 2025/03/17 | 10:37 | 11:00 | 11:24 | |
| 2 | C1.8 | 2025/09/18 | 14:39 | 14:47 | 14:57 |
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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 |