10MeV (S1) Proton/PCA Event Ended 01 09 2023 2000UT 10MeV Maximum proton flux of 2.58E+01 PFU (S1) observed at 01 09 2023 0610UT Australian Space Weather Forecasting Centre Bureau of Meteorology ASWFC at bom.gov.au www.bom.gov.au | www.sws.bom.gov.au