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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
29 OCT-30 OCT ACTIVE STORM G2
30 OCT-31 OCT QUIET STORM G1
31 OCT-1 NOV QUIET ACTIVE

For more information about the forecast and activity categories see
geomag.bgs.ac.uk/education/activitylevels.html

Activity during last 24 hours

Global   Local (UK)
Date Average Max At time (UTC) Average Max At time (UTC)
28 OCT-29 OCT QUIET ACTIVE 18:00-21:00 QUIET ACTIVE 18:00-21:00

Additional Comments

We are currently seeing a mild enhancement in the solar wind speed due to the ongoing influence of a coronal hole high-speed stream. Those effects are expected to persist during the first and second forecast period, elevating the geomagnetic conditions to ACTIVE levels with chances of STORM G1 possibly up to STORM G2 intervals.
Time of forecast: 29 Oct 2025
© UKRI