WV4F — Solar & Space Weather Command

Live data from NOAA / SWPC · for HF radio & aurora watching nerds

Last updated: 2025-12-06 03:02:28 UTC

Planetary Kp Index

Source: NOAA SWPC · noaa-planetary-k-index.json

3.67 Unsettled

Last 3-hour bin: 2025-12-06 00:00:00.000 (UTC)

Impacts: Unsettled field; HF generally happy.

Recent Kp (last 8 bins):

3.3

2.3

2.0

3.0

2.7

3.7

Quiet (Kp < 2) Unsettled (2–3.99) Active (4–4.99) Storm (5–6.99) Strong (7+)

Show raw Kp table (recent)

Time (UTC)	Kp	A (running)	Stations
2025-12-04 15:00:00.000	4.33	32	7
2025-12-04 18:00:00.000	3.67	22	7
2025-12-04 21:00:00.000	3.00	15	7
2025-12-05 00:00:00.000	3.33	18	7
2025-12-05 03:00:00.000	3.33	18	7
2025-12-05 06:00:00.000	3.33	18	7
2025-12-05 09:00:00.000	2.33	9	7
2025-12-05 12:00:00.000	2.00	7	7
2025-12-05 15:00:00.000	2.00	7	7
2025-12-05 18:00:00.000	3.00	15	7
2025-12-05 21:00:00.000	2.67	12	7
2025-12-06 00:00:00.000	3.67	22	7

10.7 cm Flux, Dst index, and recent SWPC alerts

206 F10.7 cm Flux

Last value: 2025-12-05 20:00:00.000 (UTC)
30-day range: 116 – 220

-25 nT Kyoto Dst

Last: 2025-12-06 02:00:00 (UTC)
Mild disturbance in ring current.

Recent SWPC Alerts / Warnings