▽CO2 Now - CO2 Home ●03/09 23:36 February CO2Feb. 2025 = 427.09 ppmFeb. 2024 = 424.55 ppmDecember Temperature+1.55°C relative to 1880-19202nd warmest December on recordFebruary 2024427.09Preliminary data released March 5, 2025December 2024 Global Temperature Change+1.55°C2nd Warmest December since 1880CSAS / GISS data retrieved March 5, 2025The Earth's global average surface temperature in December 2024 was 1.55°C ab