| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/23 | 1 | 90 | HSX | N23E75 | |
| 2001/09/24 | 1 | 90 | HSX | N23E62 | |
| 2001/09/25 | 1 | 90 | HAX | N22E50 | |
| 2001/09/26 | 1 | 70 | HSX | N22E36 | |
| 2001/09/27 | 1 | 80 | HSX | N22E24 | |
| 2001/09/28 | 1 | 70 | HSX | N22E10 | |
| 2001/09/29 | 1 | 70 | HSX | N22W02 | |
| 2001/09/30 | 1 | 70 | HSX | N22W16 | |
| 2001/10/01 | 1 | 80 | HSX | N22W29 | |
| 2001/10/02 | 1 | 70 | HSX | N22W43 | |
| 2001/10/03 | 3 | 80 | HSX | N21W56 | |
| 2001/10/04 | 1 | 70 | HSX | N21W68 | |
| 2001/10/05 | 1 | 60 | HSX | N23W82 |
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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 | 85.9 -0 |
| Last 30 days | 92.1 +30.2 |