| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/06/09 | 6 | 20 | DRO | N05E12 | |
| 2025/06/10 | 6 | 10 | CRO | N04W04 | |
| 2025/06/11 | 4 | 10 | CRO | N05W17 | |
| 2025/06/12 | 5 | 30 | DAO | N06W32 | |
| 2025/06/13 | 13 | 80 | DAI | N05W41 | |
| 2025/06/14 | 12 | 120 | EAI | N06W58 | |
| 2025/06/15 | 8 | 180 | DAI | N05W72 | |
| 2025/06/16 | 8 | 80 | DAI | N05W83 | |
| 2025/06/17 | 8 | 80 | DAI | N05W98 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.4 | 2025/06/13 | 06:38 | 06:45 | 06:53 | |
| 2 | C2.0 | 2025/06/13 | 05:42 | 05:48 | 05:51 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/23 | M4.9 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| 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 | 78.4 -7.5 |
| Last 30 days | 90 +16.2 |