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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
18 JUN-19 JUN QUIET ACTIVE
19 JUN-20 JUN QUIET QUIET
20 JUN-21 JUN QUIET QUIET

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)
17 JUN-18 JUN QUIET QUIET 12:00-15:00 QUIET QUIET 00:00-06:00
QUIET 00:00-03:00

Additional Comments

Solar wind parameters remain slightly elevated following some mild disturbances from coronal hole effects yesterday. Further slight enhancements are possible late in the first forecast interval due to another coronal hole. Geomagnetic conditions are expected to remain QUIET but there may be a slight chance for brief ACTIVE periods.
Time of forecast: 18 Jun 2026
© UKRI