Solar flux 112 and estimated planetary A-index 19. The estimated planetary K-index at 0600 UTC on 22 April was 1.00.

Forecast Issued at 2200Z on 21 Apr 2026

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

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (22 Apr, 23 Apr, 24 Apr).