| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/04/25 | 4 | 50 | DAO | S17E62 | |
| 2025/04/26 | 4 | 20 | CAO | S17E43 | |
| 2025/04/27 | 4 | 20 | HRX | S16E32 | |
| 2025/04/28 | 2 | 10 | HRX | S17E18 | |
| 2025/04/29 | 1 | 10 | AXX | S17E04 | |
| 2025/04/30 | 1 | 10 | AXX | S17W10 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.9 | 2025/04/25 | 03:57 | 04:05 | 04:09 | |
| 2 | C1.2 | 2025/04/25 | 11:27 | 11:34 | 11:45 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| 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 | 141 +62.8 |
| Last 30 days | 94.6 +27 |