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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
31 JUL-1 AUG QUIET QUIET
1 AUG-2 AUG ACTIVE STORM G1
2 AUG-3 AUG 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)
30 JUL-31 JUL QUIET QUIET 15:00-18:00 QUIET QUIET 03:00-06:00
QUIET 03:00-09:00

Additional Comments

The solar wind speed is currently at background levels, and geomagnetic activity has been QUIET.
We do not anticipate any significant enhancement in solar wind speed during the first forecast period, and geomagnetic activity is expected to remain QUIET.
A CME produced by an M-class solar flare yesterday afternoon (UT) is expected to arrive at Earth during the second forecast period. Upon arrival, geomagnetic activity is expected to increase to ACTIVE levels on average, with isolated STORM G1 intervals possible. Conditions are expected to gradually subside throughout the third forecast period.
Time of forecast: 31 Jul 2026
© UKRI