10MeV (S1) Proton/PCA Event Ended 23 04 2023 1900UT 10MeV Maximum proton flux of 2.62E+01 PFU (S1) observed at 23 04 2023 1820UT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au