Solar activity remained low over the past 24 hours, with the National Oceanic and Atmospheric Administration (NOAA) and the U.S. Air Force (USAF) reporting 10 sunspot regions currently visible. Forecasters anticipate continued low solar activity, though there is a slight 20% chance of an M-class solar flare occurring on June 2, 3, and 4.
The geomagnetic field experienced quiet to unsettled conditions, with solar wind speeds peaking at 494 km/s. Looking ahead, the geomagnetic field is predicted to be quiet on June 2. Conditions are expected to become quiet to active on June 3, escalating to unsettled to active levels on June 4.
Probabilities for minor geomagnetic storms at middle latitudes are 5% on June 2, 10% on June 3, and 15% on June 4. High latitudes face higher chances, with minor storm probabilities at 30% across all three days. Major-severe storm probabilities remain low at 1% for both latitudes.