The latest Joint USAF/NOAA Solar Geophysical Activity Report forecasts low solar activity and quiet to unsettled geomagnetic conditions for the coming days. Issued on July 28, 2026, the report details current space weather observations and provides a three-day outlook.
Solar activity has remained at low levels over the past 24 hours, with seven numbered sunspot regions currently visible. The forecast anticipates continued low solar activity, though there is a chance for M-class flares on July 29, 30, and 31.
The geomagnetic field has been quiet to unsettled, with solar wind speed peaking at 407 km/s. Looking ahead, the geomagnetic field is expected to remain quiet to unsettled on July 29, transitioning to quiet to active levels on July 30 and 31. Probabilities for minor geomagnetic storms in middle latitudes are 5% on July 29, 10% on July 30, and 15% on July 31, with higher probabilities for minor storms in high latitudes.
This joint report provides crucial insights into space weather, indicating a period of generally calm conditions with a watchful eye on potential moderate solar flare activity and minor geomagnetic disturbances over the next three days.