| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/05/22 | 2 | 70 | CAO | N07E65 | |
| 2001/05/23 | 4 | 70 | CAO | N07E53 | |
| 2001/05/24 | 10 | 150 | DAO | N05E39 | |
| 2001/05/25 | 20 | 150 | DAI | N05E25 | |
| 2001/05/26 | 22 | 90 | DAO | N07E12 | |
| 2001/05/27 | 16 | 150 | DAO | N06W02 | |
| 2001/05/28 | 14 | 100 | DAO | N06W16 | |
| 2001/05/29 | 8 | 100 | DAO | N05W29 | |
| 2001/05/30 | 4 | 70 | CSO | N05W43 | |
| 2001/05/31 | 5 | 120 | CAO | N04W58 | |
| 2001/06/01 | 1 | 80 | HAX | N06W76 | |
| 2001/06/02 | 1 | 50 | HSX | N07W87 |
| C | M |
|---|---|
| 7 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.81 | 2001/05/24 | 19:30 | 19:44 | 20:04 | |
| 2 | C7.48 | 2001/05/25 | 19:12 | 19:37 | 19:57 | |
| 3 | C4.09 | 2001/05/25 | 22:00 | 22:10 | 22:23 | |
| 4 | C1.82 | 2001/05/23 | 12:47 | 12:52 | 12:55 | |
| 5 | C1.76 | 2001/05/25 | 11:16 | 11:19 | 11:23 | |
| 6 | C1.69 | 2001/05/26 | 15:59 | 16:20 | 16:28 | |
| 7 | C1.65 | 2001/05/26 | 12:04 | 12:08 | 12:14 | |
| 8 | C1.46 | 2001/05/23 | 14:25 | 14:28 | 14:31 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 76.8 -35.8 |
| Last 30 days | 83.1 -38 |