Daily CO2

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CO2 levels in the Earth's atmosphere are high, rising at an unprecented fast rate and having a radical impact on the ability of people and other living species to inhabit the places across the planet that used to be their home


Far too consistently, the levels we see yesterday or sometime this year are higher than they were last year.  Uniquivocally, they are higher than any time since long before homo sapiens graced the earth for the first time, about 200,000 years ago.   Today, the atmosphere is holding more than 130 parts per million (ppm) higher--45% higher--than the pre-Industrial period when CO2 was less than 280 ppm, a releatively flat level for atmospheric levels in which human Civiliation developed.  

Today, fresh records are getting set year after year.  Rather than celebrate these sad and dissapointing records, we are tracking them at CO2.Earth so people may bear witness to what is going on.  And so  people the world over may see the need to do more to stabilize and  reduce the atmospheric level of humanity's chief planet-heating gas.

The table below provides a snapshot of the latest records for CO2 on different measurment frequencies.  Tabs beneath the table provide historical details. 


CO2 Levels

in recorded human history

 Averages NOAA MLO1 Scripps MLO

415.64 ppm

May 15, 2019

415.70 ppm

May 15, 2019


415.39 ppm

May 12-18, 2019 

 To be added

 414.64 ppm

May 2019

  To be added



 To be added 


1 Dr. Pieter Tans. (2019). Trends in Atmospheric Carbon Dioxide: Recent Daily Average Mauna Loa CO2. Retrieved from https://www.esrl.noaa.gov/gmd/ccgg/trends/monthly.html


The remainder of this webpage is under development.