Kp index — September 2014
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
6.3
12 Sep · G2
Storm nights
2
G1×1G2×1
Time at storm level
2.1%
intervals at Kp ≥ 5−
Avg Kp
2.0
all intervals
Tap a day — its eight intervals open here.
Highlights
- G2 storm · Sep 12 · peak Kp 6.3
2014 · the year at a glance — storm nights by month · year peak Kp 6.3
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.