| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/10/05 | 1 | 60 | HAX | S23E76 | |
| 2001/10/06 | 4 | 220 | DKO | S22E62 | |
| 2001/10/07 | 5 | 270 | DKO | S22E50 | |
| 2001/10/08 | 8 | 280 | DKO | S22E37 | |
| 2001/10/09 | 6 | 220 | DKC | S22E24 | |
| 2001/10/10 | 8 | 190 | DAO | S22E11 | |
| 2001/10/11 | 13 | 160 | DAI | S21W02 | |
| 2001/10/12 | 15 | 150 | DAO | S22W14 | |
| 2001/10/13 | 13 | 130 | DAO | S22W27 | |
| 2001/10/14 | 7 | 60 | DAO | S22W40 | |
| 2001/10/15 | 3 | 30 | CSO | S22W54 | |
| 2001/10/16 | 2 | 20 | BXO | S22W64 |
| C | M |
|---|---|
| 1 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.14 | 2001/10/09 | 10:46 | 11:13 | 11:49 | |
| 2 | C2.57 | 2001/10/07 | 07:28 | 07:32 | 07:34 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 158 +78.7 |
| Last 30 days | 90.5 -3.1 |