| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/05 | 2 | 20 | AXX | N07E73 | |
| 2001/01/06 | 1 | 40 | HSX | N07E61 | |
| 2001/01/07 | 3 | 40 | CAO | N07E48 | |
| 2001/01/08 | 4 | 40 | DSO | N08E34 | |
| 2001/01/09 | 2 | 20 | CSO | N08E22 | |
| 2001/01/10 | 1 | 10 | HSX | N07E06 | |
| 2001/01/11 | 3 | 20 | CSO | N08W06 | |
| 2001/01/12 | 1 | 30 | HSX | N08W20 | |
| 2001/01/13 | 4 | 30 | CSO | N09W32 | |
| 2001/01/14 | 4 | 40 | CSO | N08W45 | |
| 2001/01/15 | 4 | 20 | CSO | N08W58 | |
| 2001/01/16 | 2 | 0 | AXX | N08W73 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.6 | 2001/01/04 | 19:09 | 19:14 | 19:21 | |
| 2 | C1.77 | 2001/01/11 | 00:09 | 00:17 | 00:25 |
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.2 -4.8 |
| Last 30 days | 119.2 +0.9 |