10MeV (S1) Proton/PCA Event Ended 31 07 2026 0115UT 10MeV Maximum proton flux of 1.81E+01 PFU (S1) observed at 30 07 2026 2055UT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au