“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Environmental Science72Chemical Engineering60Chemistry55Agricultural and Biological Sciences48Engineering48Energy40Social Sciences: Industries. Land use. Labor: Special industries and trades: Chemical industries1Technology: Chemical technology: Chemical engineering1