| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/10/21 | 1 | 30 | HSX | S14E69 | |
| 2001/10/22 | 1 | 30 | HSX | S13E56 | |
| 2001/10/23 | 4 | 40 | CSO | S15E44 | |
| 2001/10/24 | 1 | 20 | HSX | S12E28 | |
| 2001/10/25 | 2 | 20 | CSO | S13E15 | |
| 2001/10/26 | 3 | 20 | CSO | S12E02 | |
| 2001/10/27 | 1 | 10 | AXX | S12W12 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/15 | M1.0 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 83.6 +5.4 |
| Last 30 days | 59 -67.6 |