| 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 | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.1 -4.9 |
| Last 30 days | 122.3 +12.7 |