Kp index — February 1990
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
6.7
15 Feb · G3
Storm nights
18
G1×13G2×3G3×2
Time at storm level
20.1%
intervals at Kp ≥ 5−
Avg Kp
3.3
all intervals
Tap a day — its eight intervals open here.
Highlights
- G3 storm · Feb 14–20 · peak Kp 6.7
1990 · the year at a glance — storm nights by month · year peak Kp 8.3
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.