Records in the live release
6,302
Release 2026-11-12, 13 November 2026. Its fingerprint: 00acca7bedb993a872d7f7d253f6334bea62ac9cfa4727a3da9dfa68bf32da13 (what that is).
Datasets·UM-321·Environment and climate·Early access
Air quality by municipality
An estimate of air pollution (nitrogen dioxide and ozone) for every municipality each month since 2003, against the World Health Organization's guideline. From a European model, not from a monitor in your street.
01
What it holds
In more detail
Modelled air each month for every 2026 municipality, district and province since 2003: nitrogen dioxide and ozone near the ground and the nitrogen dioxide and sulphur dioxide in the column of air above, from the Copernicus Atmosphere Monitoring Service reanalysis (cells about 80 km), NO2 beside WHO's annual guideline. Modelled, not measured at the ground; particles (PM2.5, PM10) follow after a check against ground stations.
How far it reaches
6,302 records: every 2026 municipality, district and province, monthly from 2003 to 2025-12.
How often it changes
Yearly
Yearly: CAMS adds a year of the EAC4 reanalysis in the following year; the newest months (CAMS global analyses) and Sentinel-5P's observed columns come later.
Where the figures come from
Copernicus Atmosphere Monitoring Service.
02
Measured accuracy
Not measured yet. How we measure it.
03
Get it
On this site
See air quality, free, no account.
Through the API
/v1/datasets/air-quality/records, as JSON, CSV or Excel, with filters and any past date. Fields and filters. It takes a key.
All of it at once (Parquet)
Being built. The list.
For data portals
Described in DCAT in /catalog.json and on this page.
Stories that used it: How clean is your air? Nitrogen dioxide in every municipality, and its sources from space
AlsoBack to all datasetsFields and filtersIs it current?Every releaseAccuracy