Space weather / EVENT RECORD
ALERT: Geomagnetic K-index of 5
NOAA SWPC · Every measurement below belongs to the selected record.
Read the source-series history ↗- Bulletin issued
- 2026-10-10 18:18:53.587Z
- Source update / publication
- 2026-10-10 18:18:53.587Z
ALERT: Geomagnetic K-index of 5 · Threshold Reached: 2026 Oct 10 1818 UTC · Synoptic Period: 1800-2100 · Active Warning: YES · Noaa Scale: G1 - Minor · Comment: · NOAA Scale: G1 - Minor
Read the original NOAA SWPC record ↗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
10 October 2026 ↗SOURCE ID swpc:K05A:2026-10-10T18:18:53.587Z