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BGS Global Geomagnetic Activity Forecast

Forecast period
(noon-to-noon GMT) 		Forecast Global Activity level
Average Max
3 AUG-4 AUG QUIET STORM G1
4 AUG-5 AUG QUIET ACTIVE
5 AUG-6 AUG QUIET QUIET

For more information about the forecast and activity categories see
geomag.bgs.ac.uk/education/activitylevels.html

Activity during last 72 hours

Global   Local (UK)
Date Average Max At time (UTC) Average Max At time (UTC)
31 JUL-1 AUG QUIET QUIET 12:00-15:00 QUIET QUIET 12:00-15:00
1 AUG-2 AUG QUIET QUIET 06:00-09:00 QUIET QUIET 06:00-09:00
2 AUG-3 AUG ACTIVE STORM G2 15:00-18:00 ACTIVE STORM G1 15:00-18:00

Additional Comments

Solar wind parameters remain slightly elevated due to yesterday's arrival of the coronal mass ejection (CME) observed on 30-Jul.
Further periods of STORM G1 conditions are anticipated during the first forecast interval followed by a gradual decrease to overall QUIET levels as the CME effects subside.
Time of forecast: 03 Aug 2026
© UKRI