| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/26 | 4 | 50 | CSO | N10E64 | |
| 2001/01/27 | 2 | 50 | HSX | N10E50 | |
| 2001/01/28 | 6 | 60 | DSO | N11E37 | |
| 2001/01/29 | 6 | 50 | CSO | N10E25 | |
| 2001/01/30 | 7 | 50 | DAO | N09E10 | |
| 2001/01/31 | 4 | 30 | CSO | N10W04 | |
| 2001/02/01 | 5 | 20 | CAO | N09W17 | |
| 2001/02/02 | 3 | 30 | CAO | N10W32 | |
| 2001/02/03 | 1 | 10 | HSX | N10W48 | |
| 2001/02/04 | 1 | 0 | AXX | N11W60 | |
| 2001/02/05 | 1 | 0 | AXX | N11W74 |
| C | M |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.5 | 2001/01/26 | 05:53 | 06:07 | 06:13 | |
| 2 | C2.34 | 2001/01/27 | 05:53 | 05:57 | 06:00 | |
| 3 | C1.11 | 2001/01/28 | 07:24 | 07:27 | 07:34 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 75.5 -37.1 |
| Last 30 days | 61.4 -62.2 |