Global atmospheric carbon dioxide concentration 1959-2024

Average carbon dioxide (CO₂) levels in the atmosphere worldwide from 1959 to 2024

CharacteristicConcentration in parts per million
2024 424.61
2023 421.08
2022 418.53
2021 416.41
2020 414.21
2019 411.65
2018 408.72
2017 406.76
2016 404.41
2015 401.01
2014 398.81
2013 396.74
2012 394.06
Zoomable Statistic: Select the range in the chart you want to zoom in on.
Created with Highcharts 7.2.2Concentration in parts per million195919611963196519671969197119731975197719791981198319851987198919911993199519971999200120032005200720092011201320152017201920212023
300320340360380400420440
Download
Show detailed source information?
Register for free
Already a member?
Log in
Sources

Use Ask Statista Research Service

Release date

January 2025

Region

Worldwide

Survey time period

1959 to 2024

Supplementary notes

* Observations starting in December 2022 are from a site at Maunakea Observatories, 21 miles north of the prior location at Mauna Loa Observatory.
Data from March 1958 through April 1974 have been obtained by C. David Keeling.
Data has been measured at Mauna Loa Observatory, Hawaii as it constitutes the longest record of direct carbon dioxide measurements in the atmosphere.
CO₂ expressed as a mole fraction in dry air, micromol/mol, abbreviated as ppm.

Open this statistic in...
Citation formats
Access all statistics starting from $2,388 USD yearly *

* For commercial use only

Basic Account

For single users
$0 USD
Always free
Access limited to Free Statistics. Premium Statistics are not included.
  • Free Statistics
Based on your interests

Starter Account

For single users
$199 USD
per month, billed annually 1
  • Free Statistics
  • Premium Statistics

Professional Account

For teams of up to 5 people
$1,299 USD
per month, billed annually 1
  • Free + Premium Statistics
  • Reports
  • Market Insights

1 All prices do not include sales tax. The account requires an annual contract and will renew after one year to the regular list price.

Statistics on " Greenhouse gas emissions worldwide "

Other statistics that may interest you Greenhouse gas emissions worldwide

Overview

6

Greenhouse gas emissions

4

Key emitters

8

Sectors

6

Pathway to net-zero

5

Further related statistics

15
Access all statistics starting from $2,388 USD yearly *

* For commercial use only

Basic Account

For single users
$0 USD
Always free
Access limited to Free Statistics. Premium Statistics are not included.
  • Free Statistics
Based on your interests

Starter Account

For single users
$199 USD
per month, billed annually 1
  • Free Statistics
  • Premium Statistics

Professional Account

For teams of up to 5 people
$1,299 USD
per month, billed annually 1
  • Free + Premium Statistics
  • Reports
  • Market Insights

1 All prices do not include sales tax. The account requires an annual contract and will renew after one year to the regular list price.

Learn more about how Statista can support your business.