Aquest és l’índex K planetari del SWPC de NOAA. Es tracta d’un índex preliminar de Kp que s’actualitza cada minut pel SWAA de NOAA amb una estimació del Kp mesurat de les darreres 3 hores basat en vuit magnetòmetres terrestres de tot el món. Aquest índex Kp planetari estimat de 3 hores consta de 10 valors i oscil·la entre 0 i 9. És important entendre que aquest índex Kp no és una previsió ni un indicador de les condicions actuals, sempre mostra el valor Kp que s'ha observat durant un període determinat.
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Aquest és l’índex Kp (ullada ràpida) del GFZ German Research Center for Geosciences. Es tracta d’un índex Kp preliminar que estima l’índex Kp en períodes de 3 hores. S'expressa en una escala de terços i té 28 valors.
All times in UTC
This is the Quicklook Hp-index from the GFZ German Research Centre for Geosciences. The geomagnetic Hpo index is a Kp-like index with a time resolution of half an hour, called Hp30. Besides that the Hpo index is not capped at 9 like Kp, but is an open ended index that describes the strongest geomagnetic storms more nuanced than the three-hourly Kp, which is limited to the maximum of 9.
The ap index is a 3-hourly "equivalent amplitude" index expressing the range of disturbance in the horizontal components and is directly related to the Kp index. Each day the Ap index will be determined by averaging the eight values of ap for each day. The A-index was invented because there was a need to derive some kind of daily average level for geomagnetic activity. Because of the non-linear relationship of the K-scale to magnetometer fluctuations, it is not meaningful to take averages of a set of K indices
All times in UTC
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| Última Flamarada-X | 2026/03/30 | X1.4 |
| Última Flamarada-M | 2026/03/28 | M1.3 |
| Última tempesta geomagnètica | 2026/03/25 | Kp5+ (G1) |
| Dies sense taques | |
|---|---|
| Last 365 days | 3 dies |
| 2026 | 3 dies (3%) |
| Últim dia sense taques | 2026/02/24 |
| Número mensual mitjà de taques solars | |
|---|---|
| de febrer 2026 | 78.2 -34.3 |
| Last 30 days | 90 +16.9 |