CarbonDioxide: Carbon Dioxide Levels

CarbonDioxideR Documentation

Carbon Dioxide Levels

Description

Atmospheric carbon dioxide levels by year

Format

A data frame with 13 observations on the following 2 variables.

Year

Every five years from 1960 to 2020

CO2

Carbon dioxide level in parts per million

Details

Carbon dioxide levels in the atmosphere over a 60 year span from 1960-2020.
** Updated for 4e (earlier versions are now CarbonDioxide3e and CarbonDioxide2e) **

Source

Dr. Pieter Tans, NOAA/ESRL. Values recorded at the Mauna Loa Observatory in Hawaii. https://gml.noaa.gov/ccgg/trends/


Lock5Data documentation built on Jan. 8, 2026, 9:09 a.m.