You can get some of the historical data also from here: https://cloud.google.com/storage/docs/public-datasets/era5 https://cloud.google.com/storage/docs/public-

You can get some of the historical data also from here: https://cloud.google.com/storage/docs/public-datasets/era5 https://cloud.google.com/storage/docs/public-datasets/era5 (if the official API is too slow. ) To use the data in live fashion I think you would need to get license from ECMWF...