| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/02 | 1 | 40 | HSX | N22E69 | |
| 2001/01/03 | 1 | 30 | HSX | N22E55 | |
| 2001/01/04 | 3 | 50 | CSO | N22E43 | |
| 2001/01/05 | 5 | 40 | CSO | N23E31 | |
| 2001/01/06 | 2 | 30 | CSO | N22E18 | |
| 2001/01/07 | 2 | 20 | HSX | N22E06 | |
| 2001/01/08 | 1 | 20 | HSX | N22W10 | |
| 2001/01/09 | 4 | 20 | CSO | N23W20 | |
| 2001/01/10 | 5 | 10 | CSO | N23W33 | |
| 2001/01/11 | 4 | 10 | BXO | N24W47 | |
| 2001/01/12 | 1 | 0 | AXX | N22W62 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.67 | 2001/01/03 | 19:14 | 19:21 | 19:32 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 94.2 +8.3 |
| Last 30 days | 94.7 +35.4 |