Climate · Climate record

432.34 ppm

First tracked 27 July 2026 · Last updated 16 July 2026

432.34 ppm

Current value

431.12 ppm

Previous record

+1.22 ppm

Change

Atmospheric CO₂ has reached 432.34 ppm, exceeding the previous record of 431.12 ppm by 1.22 ppm, according to NOAA measurements.

Source

Source: NOAA GML