Mauna Loa - Since The Week Starting 3/22 Through The Week Starting 6/14, We Have Been At/Above 430 ppm CO2

[hatrack]

The only exception is the week starting May 3rd, for which data are missing.

The only outlier was the week beginning February 22nd, which was 430.17.

https://gml.noaa.gov/webdata/ccgg/trends/co2/co2_weekly_mlo.txt

It's a long file, so just Control/End to jump to this year's results.

[justaprogressive]

1. sorry

K'n'R

[biophile]

2. 350 ppm in the rear view mirror 😑

[hatrack]

3. Oh, yeah - guesstimating that we'll be past 450 by 2040 at the latest . . .

Maybe a little earlier, depending on unanticipated feedbacks.

[biophile]

4. 😟

[OKIsItJustMe]

5. 20ppm in 13-14 years? When did you become such a wide eyed optimist?

https://mlg.eng.cam.ac.uk/carl/climate/CO2growth

12 Atmospheric Carbon Dioxide Growth Rate

Carl Edward Rasmussen, June 5, 2026

Carbon Dioxide growth rate: 2.63 ± 0.28 ppm/y (mean ± 2 std dev), May 2026.
Breach of Paris Agreement +1.5°C at 450 ppm CO₂ by March 2034 ± 16 months.

…

https://gml.noaa.gov/ccgg/trends/





https://gml.noaa.gov/ccgg/trends/gr.html

[hatrack]

6. Well, didn't want to panic anybody . . .

(*THUMP**THUMP**THUMP*)

Is this thing on?