| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/05 | 6 | 20 | CAO | S13E10 | |
| 2025/04/06 | 9 | 110 | DAO | S12W03 | |
| 2025/04/07 | 19 | 240 | DAI | S13W17 | |
| 2025/04/08 | 13 | 240 | DSO | S13W30 | |
| 2025/04/09 | 4 | 180 | DAO | S12W44 | |
| 2025/04/10 | 4 | 150 | DSO | S11W57 | |
| 2025/04/11 | 6 | 100 | DSO | S14W70 | |
| 2025/04/12 | 4 | 90 | CSO | S15W84 | |
| 2025/04/13 | 4 | 90 | CSO | S15W98 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.5 | 2025/04/13 | 02:35 | 02:41 | 02:48 | |
| 2 | C4.6 | 2025/04/12 | 14:25 | 14:34 | 14:41 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 128.3 +42.3 |
| Last 30 days | 97.5 +35.7 |