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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
10 JUN-11 JUN QUIET ACTIVE
11 JUN-12 JUN QUIET STORM G1
12 JUN-13 JUN QUIET STORM G1

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)
9 JUN-10 JUN QUIET ACTIVE 15:00-21:00 QUIET ACTIVE 15:00-18:00

Additional Comments

Following a very weak arrival of the coronal mass ejection (CME) from 6th June observed yesterday morning, solar wind returned to mostly background levels.
Further enhancements, with increased chances of STORM G1 periods, are anticipated during the second and third forecast interval due to the effects of a coronal hole high-speed stream.
Two CMEs were observed in the last 24 hours. Analysis of potential Earth-directed components is still ongoing, however, possible glancing impacts can be expected later this week.
Time of forecast: 10 Jun 2026
© UKRI