Book of Abstracts and Contributed Papers ,
Pages: 92,
https://doi.org/10.69646/aob260923
2nd International Meeting on Building Bridges Between Climate Science and Society Through a Transdisciplinary Network
Published by: Scientific Society Isaac Newton Belgrade

Space weather describes variable conditions in the near-Earth environment driven by solar activity, which can affect technological systems and human activities. Solar Cycle 25 has remained highly active during 2025–2026, characterized by frequent solar flares, coronal mass ejections, and disturbances in the solar wind. Changes in the magnetic environment carried by the solar wind modulate galactic cosmic rays propagating through the heliosphere, producing measurable variations in cosmic-ray intensity at Earth. In this contribution, we present a preliminary analysis of cosmic-ray variations during 2025–2026 using observations from the Belgrade Muon Station, operated by the Low-background Laboratory for Nuclear Physics (LBLNP) at the Institute of Physics, University of Belgrade, together with data from other ground-based stations. Cosmic-ray muon variations are examined in relation to solar activity and solar-wind parameters measured both in situ and at ground level, with particular focus on transient solar and interplanetary disturbances. The results provide a complementary ground-based approach to investigating solar activity and space-weather phenomena.