| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/06/23 | 1 | 40 | HSX | N17E65 | |
| 2001/06/24 | 3 | 40 | HSX | N17E54 | |
| 2001/06/25 | 1 | 50 | HAX | N17E41 | |
| 2001/06/26 | 1 | 30 | HSX | N17E28 | |
| 2001/06/27 | 8 | 80 | CAO | N16E14 | |
| 2001/06/28 | 6 | 40 | CSO | N16E00 | |
| 2001/06/29 | 3 | 10 | BXO | N17W14 |
| C |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.85 | 2001/06/26 | 10:59 | 11:00 | 11:03 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| 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 |
| March 2026 | 84 +5.8 |
| Last 30 days | 84 +7.5 |