Aurora & Space Weather
🌐 English

Home › Geomagnetic history

G2 geomagnetic storm days since 1932

Days1,917
Per year20.2
Latest4 Oct 2026

Days per decade

decade1930s: 1181930s1940s: 2451940s1950s: 3501950s1960s: 1871960s1970s: 2201970s1980s: 2701980s1990s: 2221990s2000s: 1442000s2010s: 952010s2020s: 662020s

Latest 50 days

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.
About this page

1,917 days since 1932 peaked at G2; the latest was 4 Oct 2026.