Thread | Brutkey

Carbon dioxide (CO₂) averaged about 428 ppm in July 2025

10 years ago July averaged about 401 ppm

Preliminary data from NOAA at https://gml.noaa.gov/ccgg/trends/

Red line graph time series of monthly carbon dioxide abundance from January 1959 through July 2025. There is a seasonal cycle and long-term increasing trend. Current levels of CO2 are at 428 ppm. This is the Keeling Curve graph. A line for CO2 10 years ago is also annotated.

Sassinake! - ⊃∪∩⪽
@Sassinake@mastodon.social

@ZLabe@fediscience.org

what I want to know is how total air composition has changed over the years.

Is there less oxygen % ?

#Asthma