Solar flux 120 and estimated planetary A-index 77. The estimated planetary K-index at 2100 UTC on 22 March was 6.3

Forecast Issued at 2200Z on 21 Mar 2026

Solar Activity Forecast: Solar activity is expected to be very low with a chance for a C-class flares and a slight chance for an M-class flare on days one, two, and three (22 Mar, 23 Mar, 24 Mar).

Geophysical Activity Forecast: The geomagnetic field is expected to be at unsettled to major storm levels on day one (22 Mar), unsettled to minor storm levels on day two (23 Mar) and quiet to active levels on day three (24 Mar).