| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/23 | 1 | 80 | HSX | S18E62 | |
| 2025/04/24 | 1 | 50 | HSX | S18E52 | |
| 2025/04/25 | 1 | 60 | HSX | S18E38 | |
| 2025/04/26 | 4 | 50 | HSX | S19E21 | |
| 2025/04/27 | 4 | 50 | HSX | S19E09 | |
| 2025/04/28 | 9 | 70 | DAI | S19W03 | |
| 2025/04/29 | 5 | 60 | DAI | S19W19 | |
| 2025/04/30 | 7 | 20 | CAI | S19W31 | |
| 2025/05/01 | 3 | 10 | BXO | S19W43 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.6 | 2025/04/26 | 09:55 | 10:07 | 10:26 |
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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 |