{"dataset":"co2-monthly","version":"2026-10-25.d0afea5995","kind":"series","series":[{"id":"average","name":"Monthly mean mole fraction","locations":["noaa-mlo","world"]},{"id":"trend","name":"Monthly mean with the average seasonal cycle removed","locations":["noaa-mlo","world"]}],"locations":[{"id":"noaa-mlo","name":"Mauna Loa Observatory, Hawaii"},{"id":"world","name":"Global marine surface average"}]}