Kp index — January 1946
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
7.0
3 Jan · G3
Storm nights
5
G1×3G2×1G3×1
Time at storm level
6.0%
intervals at Kp ≥ 5−
Avg Kp
2.1
all intervals
Tap a day — its eight intervals open here.
Highlights
- G3 storm · Jan 3–4 · peak Kp 7.0
1946 · the year at a glance — storm nights by month · year peak Kp 9.0
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.