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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
24 DEC-25 DEC ACTIVE STORM G1
25 DEC-26 DEC ACTIVE ACTIVE
26 DEC-27 DEC 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)
23 DEC-24 DEC ACTIVE ACTIVE 18:00-21:00 ACTIVE ACTIVE 18:00-21:00
ACTIVE 03:00-06:00 ACTIVE 03:00-06:00

Additional Comments

The Earth remains within a high-speed solar wind stream from a large coronal hole. The geomagnetic field was ACTIVE over the last 24 hours.
Generally, ACTIVE conditions are likely. There a chance of reaching STORM G1 while the solar wind speed continues to be elevated.
Time of forecast: 24 Dec 2025
© UKRI