Climate and Forecast Standard Names
"Radioactivity" means the number of radioactive decays of a material per second. "Radioactivity concentration" means radioactivity per unit volume of the medium. "Ac" means the element "actinium" and "229Ac" is the isotope "actinium-229" with a half-life of 4.58e-02 days.
Mapping to be determined
radioactivity_concentration_of_229Ac_in_air