Kp index — 1989
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
9.0
13 Mar · G5
Storm nights
22
G1×7G2×8G3×5G5×2
Time at storm level
33.9%
intervals at Kp ≥ 5−
Avg Kp
4.0
all intervals
Tap a day — its eight intervals open here.
Highlights
- G5 storm · Mar 12–19 · peak Kp 9.0
- Strongest activity since February 1986
1989 · 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.