Kp index — April 1986
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
4.7
10 Apr · G1
Storm nights
1
G1×1
Time at storm level
0.4%
intervals at Kp ≥ 5−
Avg Kp
1.8
all intervals
Tap a day — its eight intervals open here.
Highlights
- G1 storm · Apr 10 · peak Kp 4.7
1986 · 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.