Cartesian or Polar

This is a remake of Top Years of CO₂ (weekly). Besides the original cartesian coordinates version, a polar coordinates version is added for comparison.

New Highs for CO₂

Weekly concentration in parts per million

Weekly measurements of atmospheric carbon dioxide (ppm) at Mauna Loa Observatory.

Data through 10/29/2026. Source: NOAA Global Monitoring Laboratory.

New Highs for CO₂

Weekly concentration in parts per million

Weekly measurements of atmospheric carbon dioxide (ppm) at Mauna Loa Observatory.

Data through 10/29/2026. Source: NOAA Global Monitoring Laboratory.