| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/05/20 | 5 | 30 | CRO | S06E61 | |
| 2025/05/21 | 3 | 30 | CAO | S06E52 | |
| 2025/05/22 | 1 | 20 | HSX | S06E34 | |
| 2025/05/23 | 1 | 20 | HSX | S06E21 | |
| 2025/05/24 | 1 | 20 | HSX | S07E08 | |
| 2025/05/25 | 1 | 20 | HRX | S06W06 | |
| 2025/05/26 | 1 | 10 | AXX | S06W20 |
| B | C |
|---|---|
| 2 | 11 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.4 | 2025/05/20 | 05:43 | 05:54 | 06:00 | |
| 2 | C2.9 | 2025/05/20 | 13:00 | 13:10 | 13:14 | |
| 3 | C2.7 | 2025/05/20 | 10:03 | 10:21 | 10:39 | |
| 4 | C2.5 | 2025/05/20 | 10:54 | 10:59 | 11:08 | |
| 5 | C1.6 | 2025/05/20 | 22:39 | 22:47 | 22:51 | |
| 6 | C1.3 | 2025/05/20 | 01:16 | 01:26 | 01:32 | |
| 7 | C1.3 | 2025/05/21 | 01:06 | 01:15 | 01:22 | |
| 8 | C1.2 | 2025/05/20 | 20:24 | 20:32 | 20:37 | |
| 9 | C1.2 | 2025/05/21 | 03:42 | 03:49 | 03:52 | |
| 10 | C1.2 | 2025/05/21 | 08:51 | 09:07 | 09:26 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |