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Diary

Jun 1, 2020 The first major spike in solar activity in the new cycle has ended
May 29, 2020 The major spike in solar activity in recent years continues - new largest solar flare has occurred
May 29, 2020 The largest flare in the last three years occured on Sun

Diary's archive

Solar particles

May 19, 2025 London

Solar proton flux

Solar 10 MeV proton flux on May 18, 2025 and May 19, 2025 using GOES spacecraft data

Solar 10 MeV protons on May 18, 2025 and May 19, 2025

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