| Nombre de taches solaires |
Zone | Classe Magn. | Classe Tache | Position | |
|---|---|---|---|---|---|
| 26/08/2001 | 1 | 120 | HAX | N23E79 | |
| 27/08/2001 | 1 | 130 | HSX | N22E67 | |
| 29/08/2001 | 1 | 160 | HAX | N22E40 | |
| 30/08/2001 | 2 | 190 | CAO | N21E28 | |
| 31/08/2001 | 1 | 190 | HSX | N22E14 | |
| 01/09/2001 | 1 | 150 | HSX | N22E01 | |
| 02/09/2001 | 1 | 190 | HSX | N21W12 | |
| 03/09/2001 | 1 | 160 | HSX | N22W23 | |
| 04/09/2001 | 1 | 180 | HSX | N22W38 | |
| 05/09/2001 | 1 | 140 | HAX | N21W48 | |
| 06/09/2001 | 1 | 160 | HSX | N21W64 | |
| 07/09/2001 | 1 | 150 | HAX | N19W79 | |
| 08/09/2001 | 1 | 90 | HAX | N22W91 |
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| Dernière classe X | 18/01/2026 | X1.9 |
| Dernière classe M | 17/01/2026 | M1.1 |
| Dernier orage géomagnétique | 17/01/2026 | 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 | 98.3 -25.7 |
| 30 derniers jours | 102.5 -5.2 |