| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/07/31 | 2 | 140 | DAO | N05E70 | |
| 2001/08/01 | 6 | 210 | EAO | N06E58 | |
| 2001/08/02 | 7 | 120 | DAO | N05E44 | |
| 2001/08/03 | 6 | 110 | DAO | N05E31 | |
| 2001/08/04 | 5 | 60 | DSO | N04E16 | |
| 2001/08/05 | 5 | 40 | DAO | N05E03 | |
| 2001/08/06 | 7 | 40 | DSO | N05W11 | |
| 2001/08/07 | 5 | 20 | CSO | N05W26 | |
| 2001/08/08 | 5 | 20 | BXO | N05W39 | |
| 2001/08/09 | 2 | 20 | AXX | N05W56 | |
| 2001/08/10 | 1 | 30 | HSX | N05W69 |
| C | M |
|---|---|
| 1 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.15 | 2001/08/10 | 01:28 | 01:36 | 01:43 | |
| 2 | C1.27 | 2001/08/09 | 14:17 | 14:19 | 14:20 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 141 +62.8 |
| Last 30 days | 94.6 +27 |