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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
8 OCT-9 OCT QUIET ACTIVE
9 OCT-10 OCT QUIET ACTIVE
10 OCT-11 OCT 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)
7 OCT-8 OCT QUIET ACTIVE 12:00-15:00 QUIET ACTIVE 12:00-15:00
ACTIVE 00:00-03:00

Additional Comments

There remains a chance of a second coronal mass ejection (CME) impact during the first forecast interval. This is low confidence. Generally QUIET to ACTIVE conditions are likely with a chance of reaching STORM G1 if a significant CME impact were to occur.
From the 10th, the solar wind may become influenced by coronal holes. First a small diffuse one, and then a larger coronal hole follows. These high-speed streams may cause ACTIVE conditions with a chance of reaching STORM G1.
Time of forecast: 08 Oct 2025
© UKRI