In this article, you will find CO2 levels in the atmosphere for the last 800 thousand years to the present day. Carbon dioxide levels in the atmosphere are provided for the last 3 months by day, including data from the last week of CO2 measurements at the Mauna Loa Observatory.

Atmospheric carbon dioxide levels

The level of CO2 in the atmosphere. Carbon dioxide levels for the last week. Atmospheric CO2 concentration compared to the past

The level of CO2 in the atmosphere. Carbon dioxide levels for the last week. Atmospheric CO2 concentration compared to the past

Daily atmospheric CO2 readings since 1958 can be downloaded here (and Mauna Loa Observatory Station Record Page for weekly, daily, and 10-minute versions of this record)

Average concentration of CO2 in the air (October 2022) — 415.38 parts per million (0.041538%)

Essential app

This app is designed to inform users about the alarming rise in atmospheric CO₂ levels and display the current carbon dioxide concentration. By using and sharing this app, you help spread crucial information.

https://play.google.com/store/apps/details?id=com.co2data.co2data&pcampaignid=web_share

Atmospheric co2 levels
for the last three months (data by day)



Annual average amount of CO2 particles in the air:
🔥 in 2016 — 404.17 parts per million;
🔥 in 2017 — 406.51 parts per million;
🔥 in 2018 — 408.52 parts per million;
🔥 in 2019 — 411.37 parts per million;
🔥 in 2020 — 413.98 parts per million.
🔥 in 2021 — 416.08 parts per million.
🔥 in 2022 — 418.32 parts per million.

CO2 levels over time

See the infographic of the Stern report on the effects of the greenhouse effect here.