| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/05/11 | 3 | 10 | CSO | N07W56 | |
| 2025/05/12 | 6 | 30 | CRO | N07W71 | |
| 2025/05/13 | 6 | 60 | DAO | N07W82 | |
| 2025/05/14 | 6 | 60 | DAO | N07W99 |
| C | X |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.21 | 2025/05/13 | 15:25 | 15:38 | 15:44 | |
| 2 | C1.2 | 2025/05/12 | 16:54 | 17:01 | 17:06 | |
| 3 | C1.0 | 2025/05/12 | 17:14 | 17:23 | 17:27 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 130 +51.8 |
| Last 30 days | 92.6 +25.1 |