Definition

NOAA

Definition for NOAA. Every fact below is a verbatim quote from a real document we have stored. ↩ See the full Record

NOAA — Atmospheric CO₂ concentrations rose from 399.4 ppm to 422.8 ppm ↗

Supporting facts
  • NOAA Global Monitoring Laboratory data show the global mean atmospheric CO₂ ↗
  • May 2025 seasonal peak CO2 concentration was 430.5 ppm (NOAA) / 430.2 ppm (Scripps) ↗