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": 2.33,
"time": "2026-06-23T12:00:00"
},
{
"kp_index": 2.67,
"time": "2026-06-23T15:00:00"
},
{
"kp_index": 2.67,
"time": "2026-06-23T18:00:00"
},
{
"kp_index": 1.0,
"time": "2026-06-23T21:00:00"
},
{
"kp_index": 2.33,
"time": "2026-06-24T00:00:00"
},
{
"kp_index": 2.0,
"time": "2026-06-24T03:00:00"
},
{
"kp_index": 2.67,
"time": "2026-06-24T06:00:00"
},
{
"kp_index": 2.67,
"time": "2026-06-24T09:00:00"
},
{
"kp_index": 2.67,
"time": "2026-06-24T12:00:00"
},
{
"kp_index": 3.67,
"time": "2026-06-24T15:00:00"
},
{
"kp_index": 3.67,
"time": "2026-06-24T18:00:00"
},
{
"kp_index": 4.0,
"time": "2026-06-24T21:00:00"
},
{
"kp_index": 4.33,
"time": "2026-06-25T00:00:00"
},
{
"kp_index": 5.0,
"time": "2026-06-25T03:00:00"
},
{
"kp_index": 3.67,
"time": "2026-06-25T06:00:00"
},
{
"kp_index": 2.67,
"time": "2026-06-25T09:00:00"
},
{
"kp_index": 4.0,
"time": "2026-06-25T12:00:00"
},
{
"kp_index": 3.33,
"time": "2026-06-25T15:00:00"
},
{
"kp_index": 4.0,
"time": "2026-06-25T18:00:00"
},
{
"kp_index": 3.0,
"time": "2026-06-25T21:00:00"
},
{
"kp_index": 3.0,
"time": "2026-06-26T00:00:00"
},
{
"kp_index": 2.33,
"time": "2026-06-26T03:00:00"
},
{
"kp_index": 2.33,
"time": "2026-06-26T06:00:00"
},
{
"kp_index": 1.33,
"time": "2026-06-26T09:00:00"
}
],
"success": true
}