Kp index — 2003
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
9.0
29 Oct · G5
Storm nights
16
G1×7G2×4G3×2G4×1G5×2
Time at storm level
25.0%
intervals at Kp ≥ 5−
Avg Kp
3.2
all intervals
Tap a day — its eight intervals open here.
Highlights
- G5 storm · Oct 28–31 · peak Kp 9.0
- Strongest activity since July 2000
2003 · 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.