GET /spaceweather/kp
Get recent planetary K-index (Kp) values from NOAA SWPC, the primary indicator of geomagnetic storm activity. The Kp index ranges from 0 (quiet) to 9 (extreme storm). Values of 5+ indicate geomagnetic storms visible as aurora at lower latitudes. Returns a time series of recent Kp readings. Critical for aurora prediction apps, satellite drag calculations, GPS accuracy monitoring, and space weather dashboards.
curl https://nordapi.ee/api/v1/spaceweather/kp
{
"count": 24,
"data": [
{
"kp_index": 1.67,
"time": "2026-08-09T06:00:00"
},
{
"kp_index": 2.33,
"time": "2026-08-09T09:00:00"
},
{
"kp_index": 1.33,
"time": "2026-08-09T12:00:00"
},
{
"kp_index": 1.33,
"time": "2026-08-09T15:00:00"
},
{
"kp_index": 1.67,
"time": "2026-08-09T18:00:00"
},
{
"kp_index": 2.0,
"time": "2026-08-09T21:00:00"
},
{
"kp_index": 1.67,
"time": "2026-08-10T00:00:00"
},
{
"kp_index": 1.0,
"time": "2026-08-10T03:00:00"
},
{
"kp_index": 1.67,
"time": "2026-08-10T06:00:00"
},
{
"kp_index": 2.0,
"time": "2026-08-10T09:00:00"
},
{
"kp_index": 1.33,
"time": "2026-08-10T12:00:00"
},
{
"kp_index": 0.33,
"time": "2026-08-10T15:00:00"
},
{
"kp_index": 0.33,
"time": "2026-08-10T18:00:00"
},
{
"kp_index": 1.67,
"time": "2026-08-10T21:00:00"
},
{
"kp_index": 1.0,
"time": "2026-08-11T00:00:00"
},
{
"kp_index": 0.67,
"time": "2026-08-11T03:00:00"
},
{
"kp_index": 1.0,
"time": "2026-08-11T06:00:00"
},
{
"kp_index": 2.0,
"time": "2026-08-11T09:00:00"
},
{
"kp_index": 2.67,
"time": "2026-08-11T12:00:00"
},
{
"kp_index": 3.33,
"time": "2026-08-11T15:00:00"
},
{
"kp_index": 1.67,
"time": "2026-08-11T18:00:00"
},
{
"kp_index": 1.33,
"time": "2026-08-11T21:00:00"
},
{
"kp_index": 1.67,
"time": "2026-08-12T00:00:00"
},
{
"kp_index": 2.67,
"time": "2026-08-12T03:00:00"
}
],
"success": true
}