Outlook:
The next week last year had an average of about 410.3 ppm. With slightly further decreasing values the annual increase should stay above the 10 y average.
Sunday evening, the latest CO
2 values from NOAA - Mauna Loa are available.
Week beginning on July 26, 2020: 413.22 ppm
Weekly value from 1 year ago: 409.97 ppm
Weekly value from 10 years ago: 389.75 ppm
Last updated: August 2, 2020The annual increase is above 3 ppm, exactly at 3.25 ppm. The 10y average annual increase is 2.35 ppm.
The last week showed very stable values, slightly decreasing, and on July 31
st a massive drop and very bumpy hourly values. Without that day the annual increase would have even been higher.
Outlook:
The next week of last year had an average of around 410.3 ppm. Extrapolating this week's values into the near future will lead to an annual increase slightly below 3 ppm.