| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/05/21 | 4 | 110 | DAO | S08E63 | |
| 2001/05/22 | 3 | 80 | DSO | S09E48 | |
| 2001/05/23 | 6 | 40 | CSO | S10E34 | |
| 2001/05/24 | 5 | 10 | BXO | S10E19 | |
| 2001/05/25 | 6 | 20 | BXO | S11E10 | |
| 2001/05/26 | 6 | 10 | BXO | S13W01 | |
| 2001/05/27 | 5 | 20 | CRO | S10W18 | |
| 2001/05/28 | 7 | 10 | BXO | S11W33 | |
| 2001/05/29 | 1 | 10 | HRX | S09W47 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.86 | 2001/05/24 | 09:26 | 09:42 | 09:51 |
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/08 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |