| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 03/01/2001 | 1 | 70 | HAX | N10E76 | |
| 04/01/2001 | 4 | 100 | CSO | N08E59 | |
| 05/01/2001 | 1 | 70 | HSX | N08E47 | |
| 06/01/2001 | 1 | 150 | HSX | N08E34 | |
| 07/01/2001 | 2 | 130 | CSO | N09E22 | |
| 08/01/2001 | 1 | 130 | HSX | N08E08 | |
| 09/01/2001 | 4 | 150 | HSX | N08W06 | |
| 10/01/2001 | 3 | 170 | HAX | N08W18 | |
| 11/01/2001 | 6 | 110 | CAO | N08W31 | |
| 12/01/2001 | 5 | 90 | HAX | N08W45 | |
| 13/01/2001 | 2 | 70 | HAX | N09W59 | |
| 14/01/2001 | 2 | 50 | HSX | N08W72 | |
| 15/01/2001 | 2 | 30 | DSO | N08W84 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 21/01/2026 | M3.4 |
| Dernier orage géomagnétique | 22/01/2026 | Kp5+ (G1) |
| Jours sans taches solaires | |
|---|---|
| Dernier jour sans taches solaires | 08/06/2022 |
| Nombre mensuel moyen de taches solaires | |
|---|---|
| décembre 2025 | 124 +32.2 |
| janvier 2026 | 119.1 -4.9 |
| 30 derniers jours | 122.3 +12.7 |