10MeV (S2) Proton/PCA Event Ended 20 01 2026 1330UT 10MeV Maximum proton flux of 2.11E+02 PFU (S2) observed at 20 01 2026 1320UT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au