| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/30 | 6 | 30 | DSO | S10E50 | |
| 2001/01/31 | 5 | 20 | CSO | S10E36 | |
| 2001/02/01 | 5 | 20 | CSO | S10E23 | |
| 2001/02/02 | 2 | 10 | BXO | S11E06 | |
| 2001/02/03 | 2 | 10 | AXX | S10W06 | |
| 2001/02/04 | 3 | 10 | BXO | S09W14 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C8.27 | 2001/01/29 | 15:32 | 15:40 | 15:50 | |
| 2 | C2.57 | 2001/01/29 | 04:06 | 04:28 | 04:40 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/16 | M2.7 |
| 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 | 84.2 +6 |
| Last 30 days | 59.8 -62.5 |