Kp index — April 1979
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
8.0
3 Apr · G4
Storm nights
15
G1×7G2×4G3×2G4×2
Time at storm level
19.2%
intervals at Kp ≥ 5−
Avg Kp
3.2
all intervals
Tap a day — its eight intervals open here.
Highlights
- G4 storm · Apr 1–5 · peak Kp 8.0
1979 · the year at a glance — storm nights by month · year peak Kp 8.0
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.