Solar flux 128 and estimated planetary A-index 6. The estimated planetary K-index at 1500 UTC on 15 June was 1.00.

Forecast Issued at 2200Z on 14 Jun 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 (15 Jun, 16 Jun, 17 Jun).

Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to unsettled levels on days one and three (15 Jun, 17 Jun) and quiet to active levels on day two (16 Jun).