| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/01 | 5 | 20 | BXI | S12W15 | |
| 2025/12/02 | 3 | 10 | BXO | S12W30 | |
| 2025/12/03 | 2 | 10 | BXO | S07W45 | |
| 2025/12/04 | 1 | 10 | AXX | S12W53 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.7 | 2025/12/06 | 01:15 | 01:23 | 01:31 | |
| 2 | C2.7 | 2025/12/03 | 02:16 | 02:23 | 02:26 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/29 | M1.1 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 96.6 +17.3 |
| Last 30 days | 96.6 +3.7 |