| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2025/12/26 | 5 | 120 | DSO | N28E75 | |
| 2025/12/27 | 5 | 130 | DAC | N24E64 | |
| 2025/12/28 | 8 | 230 | DAO | N25E51 | |
| 2025/12/29 | 13 | 230 | DAO | N24E36 | |
| 2025/12/30 | 10 | 200 | DAO | N24E24 | |
| 2025/12/31 | 15 | 200 | DAI | N24E11 | |
| 2026/01/01 | 13 | 170 | DAI | N24W02 | |
| 2026/01/02 | 13 | 170 | DAI | N24W16 | |
| 2026/01/03 | 10 | 70 | DAI | N24W29 | |
| 2026/01/04 | 3 | 70 | CSO | N26W40 | |
| 2026/01/05 | 3 | 70 | CSO | N25W54 | |
| 2026/01/06 | 3 | 70 | HSX | N25W68 | |
| 2026/01/07 | 1 | 60 | HSX | N25W81 | |
| 2026/01/08 | 1 | 120 | HSX | N25W93 | |
| 2026/01/09 | 1 | 120 | HSX | N25W0* |
| C | M |
|---|---|
| 30 | 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M7.11 | 2025/12/31 | 13:12 | 13:51 | 14:11 | |
| 2 | M2.2 | 2025/12/29 | 23:57 | 00:02 | 00:07 | |
| 3 | C6.2 | 2026/01/01 | 17:27 | 17:59 | 18:30 | |
| 4 | C5.0 | 2025/12/30 | 06:38 | 06:45 | 06:47 | |
| 5 | C4.8 | 2025/12/27 | 00:23 | 00:32 | 00:38 | |
| 6 | C4.0 | 2025/12/28 | 07:19 | 07:28 | 07:35 | |
| 7 | C3.9 | 2025/12/31 | 10:03 | 10:12 | 10:16 | |
| 8 | C3.7 | 2025/12/27 | 05:32 | 05:39 | 05:41 | |
| 9 | C3.7 | 2025/12/27 | 13:22 | 13:29 | 13:32 | |
| 10 | C3.6 | 2025/12/31 | 09:42 | 09:52 | 10:03 |
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/17 | M1.1 |
| Last geomagnetic storm | 2026/01/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 100.6 -23.4 |
| Last 30 days | 106.1 -0.7 |