| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/05/23 | 7 | 30 | CAI | S05W26 | |
| 2025/05/24 | 13 | 100 | DAI | S05W41 | |
| 2025/05/25 | 12 | 170 | DAI | S05W56 | |
| 2025/05/26 | 12 | 180 | DAI | S04W72 | |
| 2025/05/27 | 4 | 100 | CAO | S04W85 | |
| 2025/05/28 | 4 | 100 | CAO | S04W99 |
| B | C | M | X |
|---|---|---|---|
| 2 | 21 | 5 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.1 | 2025/05/25 | 01:40 | 01:52 | 01:57 | |
| 2 | M8.9 | 2025/05/25 | 16:18 | 16:31 | 16:36 | |
| 3 | M3.4 | 2025/05/25 | 10:05 | 10:18 | 10:25 | |
| 4 | M2.9 | 2025/05/26 | 12:50 | 13:06 | 13:15 | |
| 5 | M2.2 | 2025/05/24 | 20:14 | 20:24 | 20:30 | |
| 6 | M1.7 | 2025/05/25 | 06:27 | 06:35 | 06:38 | |
| 7 | C9.9 | 2025/05/26 | 22:30 | 22:50 | 23:03 | |
| 8 | C7.6 | 2025/05/24 | 23:38 | 23:51 | 00:01 | |
| 9 | C6.5 | 2025/05/26 | 07:01 | 07:16 | 07:24 | |
| 10 | C6.2 | 2025/05/25 | 07:36 | 07:51 | 08:02 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |