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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
22 MAY-23 MAY QUIET QUIET
23 MAY-24 MAY QUIET ACTIVE
24 MAY-25 MAY 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)
21 MAY-22 MAY QUIET QUIET 12:00-15:00 QUIET QUIET 18:00-21:00
QUIET 18:00-21:00

Additional Comments

Solar wind remains at ambient levels, with no Earth-directed coronal mass ejections observed recently.
Overall QUIET geomagnetic conditions are expected during the weekend with chances of brief ACTIVE intervals due to possible effects of a high-speed stream from a small coronal hole.
Time of forecast: 22 May 2026
© UKRI