This research examined airborne fungal communities across Northwestern Europe, revealing that fungal spores in the air are remarkably similar across large distances. The study has important implications for understanding how plant diseases spread through the air. Impacts on everyday life: • Helps farmers and gardeners better predict and manage plant diseases • Improves understanding of seasonal allergies caused by airborne fungi • Contributes to better air quality monitoring systems • Aids in developing more effective crop disease warning systems • Helps understand how climate affects the spread of plant diseases