All ERA5 datasets have been migrated to Zarr v3 with improved chunking. Previous dataset versions are still available, but we recommend using the new ones.
Future updates will only apply to Zarr v3 datasets, including ERA5 monthly updates.

Catalogue

Collections

Collections are sets of homogeneous datasets (items), broadly identified by the same provider, theme and use case. Note that the scope of the collection could be smaller than the one originally published by the provider

Datasets

Datasets are provided as an URL for a specific Zarr store; different datasets can come from the very same origin but correspond to different chunks optimised for different use cases

DestinE platform