I do not know from whene the data in your link, comes, but I use the data from the Mauna Loa Carbon Dioxide Observatory data page, and keep spreadsheets of the data (weekly, monthly, and yearly) for use in calculations and comparisons.
The figures I have from this data for 2021 as compared to 2020 is a difference of 2.06 ppm, not 1.82 ppm. (NOAA did announce a minor change in analytical calculations earlier this year reflecting the use of blanks and spikes, which I did not enter into my spreadsheet, and this may account for a small difference.)
Nevertheless 2.06 ppm is relatively mild for these times. It is "only" the 17th worst May recorded in the last 61 years of this type of data available on the data page. By comparison, again based on my spreadsheet, April 2021 came in at 2.84 ppm higher than 2020 ("only" the 7th worst), March 2021 came in a at 2.64 ppm higher than 2020 ("only" the 2nd worst), February 2021 came in at 2.84 ppm higher than 2020 ("only" the 6th worst), and January 2021 came in at 2.12. ppm higher than 2020 ("only" the 19th worst).
The all time record for a monthly increase over the previous year's month came in March 2016, 4.16 ppm over March 2015, followed by 4.01 ppm recorded in June of 2016 over June of 2015.
But don't worry. Be happy.
I'm something of a crank, since I'm not expressing overwhelming joy with so called "renewable energy" which I keep reading is "cheap," at least when the sun is shining and/or the wind is blowing, irrespective of whether anyone actually can use the electricity generated by these mass intensive short term future landfill rich "green" facilities..
I am known for favoring nuclear energy, which continues to dwarf solar and wind energy by a factor of two combined when measured in units of macroscale energy - this unit is the Exajoule - and according to Jim Hansen, writing in 2013, had already prevented the release of more than 30 billion tons of carbon dioxide, this while being vilified by people who call themselves, despite their obvious lack of education and their willingness to drive to protests in their cars to chant slogans, "environmentalists."
If one looks at the actual numbers, even blindly, it is clear that despite all the cheering and all the money thrown at so called "renewable energy," things are getting worse not better, and worse at an increasing rate for that matter.
I wonder we would have been if Glenn Seaborg hadn't worked to get more than 100 nuclear plants built in this country.
Nevertheless, I read here and elsewhere all the time that "nuclear energy is too expensive." I, being a crank, I usually ask "for whom, us or future generations?" but no matter. It's clear in the minds of people making this statement that climate change isn't "too expensive."
I also read here and elsewhere that "nuclear energy is too dangerous." It's clear in the minds of the people making this statement that the death of around 7 million people per year from air pollution isn't "too dangerous."
Go figure...
Don't worry. Be happy.
I may think I understand perfectly why things are worsening at an accelerating pace, which I attribute to selective attention, ignorance and wishful thinking all rolled up in one oily carbonized ball, but I'm just a crank. I'm well aware that many people of better will disagree with me, and obviously they're right, at least in a world where numbers don't matter, and from what I read, numbers don't matter. They pale when compared to blind faith.
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