Space weather / EVENT RECORD

ALERT: Geomagnetic K-index of 6

NOAA SWPC · Every measurement below belongs to the selected record.

Bulletin issued

2026-10-04 20:58:04.127Z

Source update / publication

2026-10-04 20:58:04.127Z

ALERT: Geomagnetic K-index of 6 · Threshold Reached: 2026 Oct 04 2057 UTC · Synoptic Period: 1800-2100 · Active Warning: YES · Noaa Scale: G2 - Moderate · Comment: · NOAA Scale: G2 - Moderate

This is a source-linked archive. Source measurements and assessments can change. An archived bulletin is not evidence that a warning is currently active.

In the daily journal

SOURCE ID swpc:K06A:2026-10-04T20:58:04.127Z