ESA Climate Change Initiative (CCI) Open Data Portal

ESA Climate Change Initiative (CCI) Open Data Portal (ESA CCI). Access: download / OPeNDAP / ODP. Formats: NetCDF. Resolution: various. Coverage: Global. Pricing/licence: free.

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What's in it

Data offered docs-verified: Essential Climate Variable (ECV) satellite-derived climate data records · ECV quick-look notebooks: Aerosol, Biomass, Cloud, Fire, Greenhouse Gases, Ice Sheets, Lakes, Land Cover, Land Surface Temperature, Ocean Colour, Ozone, Permafrost, Sea Ice, Sea Level, Sea Surface Salinity, Sea Surface Temperature, Snow, Soil Moisture, Vegetation, Water Vapour
Coverage docs-verified: Global · decadal-long (exact span varies by dataset; not stated in docs)
Resolution llm-inferred: various
Formats docs-verified: NetCDF · xarray Dataset · geopandas GeoDataFrame · Vector Data Cube
Access docs-verified: Free and open; no API key required per ENTRY metadata. The CCI Jupyter Lab requires free registration with an email or GitHub account.

Useful for

Use cases llm-inferred: Long-term soil moisture and land surface temperature baseline for climate-change context in FRA or drainage reports · Sea level and lakes time series as background for coastal and inland flood-risk assessments · Land cover and vegetation baseline for BNG habitat context
Audience llm-inferred: hydrologists · flood consultants · environmental consultants · GIS analysts · climate and remote sensing analysts

Limitations

Constraints llm-inferred: Global satellite-derived climate records, not site-scale or UK gauge-level data · Resolution varies by dataset and update frequency is not stated in docs · CCI STAC interface is still in development · Not every ECV is covered by a quick-look notebook (20 listed; 27 ECVs contributed as of January 2024) · Some CCI datasets are available only via ESGF (Obs4MIPs) or other routes · Toolbox requires a Python environment (Conda or pip) for local use

Licence: free
Authentication: No API key required (repository README, auto-extracted; check upstream requirements)
GitHub stars: Unknown
Last commit: Unknown
Last successful page check: 16/10/2026
Page health: healthy
Package: Not recorded
Verification: Not independently verified

Provenance & evidence

Verified 2026-10-16 (curl HTTP 200).

Metadata observed 14/10/2026 · research sweep: sweep-2026-10-16 (named: Global)

https://climate.esa.int/en/data/