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. "At" means the element "astatine" and "219At" is the isotope "astatine-219" with a half-life of 6.27e-04 days.
Mapping to be determined
radioactivity_concentration_of_219At_in_air