Atmospheric gasses.

A look at Atmospheric gasses the climate data

Atmospheric Gas Concentrations

Latest CO2 Data

Date: 2025-3-30

Cycle: 427.12 ppm - Trend: 425.39

 Pre-Industrial: Approx: 280 ppm

Latest Methane Data

Date:2024.11

Average: 1940.75 ppb - Trend: 1934.67

 Pre-Industrial: 350 to 800 ppb

A few relevant links...