Aurora & Space Weather
🌐 English

Home › Geomagnetic history › 1991

Geomagnetic storm on 24 Mar 1991 (G5)

Max Kp9-G5
Ap161No. 2 in 1991
Consecutive G1+ days4
Ap rank34since 1932

Kp by 3-hour slot (UTC)

The days around it

DateMax KpApLevel
21 Mar 19917-26G3
22 Mar 19915-20G1
23 Mar 19914-11–
24 Mar 19919-161G5
25 Mar 19919-130G5
26 Mar 19918o114G4
27 Mar 19915-31G1

Highest-Ap days of 1991

Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.

← 21 Mar 199125 Mar 1991 →

About this page

Max Kp 9-, Ap 161: No. 34 of 34,615 days since 1932 by Ap.