An atlas of open data

The UK in depth, Europe in view.

Climate, air, rivers, wildlife and heritage across the UK, and people, land and nature across Europe, on interactive maps: stack layers, click anywhere to see what is there, and watch it change year by year. Built only from open data, with the caveats left in.

Steepness of the ground across Great BritainLines of equal ground slope across Great Britain, one line per 3 degrees, coloured from pale green (gentle) to deep moss (steep). Source: Ordnance Survey Terrain 50.
Each line joins places with the same steepness of ground across Great Britain.
  • 180Layers of open data
  • 6Maps: Environment, Energy, Transport, Land & heritage, Curiosities, Europe
  • 165Datasets, each with its licence and credit
  • 25Years of climate data, 2000-2024
  • 0Cookies, accounts or trackers

Guided stories

Start with a question.

Each story walks the map through a few steps, changing layers, years and places as you go.

All stories →

Click anywhere

Ask the map what is here.

Every layer answers a click. Rasters give you a reading and a chart of that spot across the years; polygons tell you what the place is.

  • Approximate values read straight from the map colour, and labelled that way.
  • A small history chart for that exact spot, 2000 to 2024.
  • Search a place name or postcode and get a snapshot of what it is like there.
  • Share the exact view with one link: layers, year and position are all in the address.
Try it
The map showing annual mean temperature over London with a panel listing the reading at the clicked point and a small chart of the temperature there from 2000 to 2024. The map showing annual mean temperature over London with a panel listing the reading at the clicked point and a small chart of the temperature there from 2000 to 2024.

Something missing?

Tell us what to map next.

Is there a map, a country or a place you would like added? Say so here: nothing leaves your browser until you send it yourself.

Go and have a look.

Type a place or a postcode, or just start clicking. Nothing to install, nothing to sign up for.

Open the map