Latest archived week

The definitive record refreshes every three days; this page shows its last seven days. The days after the archive's last day are on the live page as NOAA's provisional values — the two never mix here.

Storm days

1 / 7

day's max G1+ (Kp 5−) · the week before: 2

Active days

5 / 7

Kp 3+ (a glow far north) · the week before: 3

Peak of the week

Kp 7.3 · G3

October 10, 2026 · 15–18 UTC

Wed · October 7Kp 2.7replay the sky →calendar →

Thu · October 8Kp 2.3replay the sky →calendar →

Fri · October 9Kp 3.7replay the sky →calendar →

Sat · October 10Kp 7.3G3replay the sky →calendar →

Sun · October 11Kp 4.0replay the sky →calendar →

Mon · October 12Kp 3.0replay the sky →calendar →

Tue · October 13Kp 3.3partialreplay the sky →calendar →

under 3 · quiet3 to G1 · activeG1–G4 · stormG5 · extreme

Bars: the day's eight three-hour UTC slots; the dashed line is G1 (Kp 5−). 'partial': the archive's last day is not yet complete.

On this day · October 13 · 95 years

Kp 8 · G4the strongest was in 1939 · in the calendar · replay that sky

20 of 95 years reached G1 or more on this date; the last was 2017. 34% of years were quiet (day's max under Kp 3). GFZ archive.

Source: GFZ German Research Centre for Geosciences definitive Kp record (CC BY 4.0), refreshed every three days. Kp is a global index — the planet's geomagnetic state, not what the sky did over your spot.

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