G2 – Moderate Geomagnetic Storm Watch issued for June 6, 2026
A G2 – Moderate Geomagnetic Storm Watch is in effect for June 6, 2026. The Watch was issued on June 5, 2026 at 18:52 UTC.
Geomagnetic storms
G2 – Moderate Geomagnetic Storm Alert issued on June 5, 2026
A G2 – Moderate Geomagnetic Storm Alert was issued at 16:39 UTC on June 5, 2026. The K-index threshold of 6 was reached at 16:38 UTC.
G1 – Minor Geomagnetic Storm Alert issued on June 5, 2026
A G1 – Minor Geomagnetic Storm Alert was issued on June 5, 2026. The alert is valid from 15:00 UTC to 18:00 UTC.
G1 – Minor Geomagnetic Storm Alert issued on June 5, 2026
A G1 – Minor Geomagnetic Storm Alert was issued on June 5, 2026 after the K-index reached 5. The Alert is valid from 12:00 to 15:00 UTC.
ALERT: Geomagnetic K-index of 4 Alert issued on June 5
A Geomagnetic K-index of 4 Alert was issued on June 5, 2026. The alert is valid from 12:00 to 15:00 UTC.
G3 – Strong Geomagnetic Storm Watch issued for June 4 and 5, 2026
A G3 – Strong Geomagnetic Storm Watch is in effect for June 4–5, 2026. Highest storm levels are predicted for both days.
ALERT – Geomagnetic K-index of 4 Alert issued on May 30
A Geomagnetic K-index of 4 Alert was issued on May 30, 2026. The alert is valid for the synoptic period 18:00–21:00 UTC.
K-index of 4 – Geomagnetic Activity Alert issued on May 29
A Geomagnetic K-index of 4 Alert was issued for May 29, 2026, valid from 18:00 to 21:00 UTC, indicating active conditions.
ALERT: Geomagnetic K-index of 4 Alert issued on May 28, 2026
An ALERT: Geomagnetic K-index of 4 was issued on May 28, 2026. The alert is valid from 18:00 to 21:00 UTC.
Alert for geomagnetic K-index of 4 cancelled on May 28
A Geomagnetic K-index of 4 Alert issued for May 28, 2026, was cancelled at 17:17 UTC. The alert was withdrawn as the threshold was not met.
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