> Natural raindrops contain bacteria at a concentration of 1.06 × 10 4 (/cm 3 ), including plant pathogens such as Pseudomonas syringae , Xanthomonas campestris, and Pantoea ananatis . Likewise, raindrops contain fungi such as Alternaria sp., Fusarium sp., Cladosporium sp., Phoma sp., Rhizopus sp., and Botrytis cinerea. …”

From: https://www.nature.com/articles/s41467-022-28813-8