| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/02/21 | 3 | 80 | CSO | N10E74 | |
| 2001/02/22 | 5 | 120 | DAO | N10E64 | |
| 2001/02/23 | 10 | 190 | DAO | N12E52 | |
| 2001/02/24 | 15 | 200 | EAO | N12E34 | |
| 2001/02/25 | 16 | 240 | EAO | N13E23 | |
| 2001/02/26 | 22 | 170 | DAI | N13E10 | |
| 2001/02/27 | 27 | 160 | DSO | N12W04 | |
| 2001/02/28 | 40 | 160 | EAI | N13W18 | |
| 2001/03/01 | 20 | 110 | DAI | N13W31 | |
| 2001/03/02 | 9 | 50 | DSO | N12W46 | |
| 2001/03/03 | 4 | 30 | CRO | N11W61 | |
| 2001/03/04 | 4 | 50 | CSO | N12W70 | |
| 2001/03/05 | 3 | 30 | AXX | N15W83 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.13 | 2001/02/23 | 14:17 | 14:23 | 14:28 | |
| 2 | C1.9 | 2001/02/27 | 10:04 | 10:08 | 10:12 |
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| 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 |
| April 2026 | 130 +51.8 |
| Last 30 days | 91.6 +20.3 |