{"ob_id":99339,"names":[],"terms":[{"ob_id":4502,"label":"units","value":"kg m-3","vocabulary":""},{"ob_id":39355,"label":"standard_name","value":"mass_concentration_of_pm2p5_ambient_aerosol_in_air","vocabulary":""},{"ob_id":106260,"label":"var_id","value":"monthly_surface_pm2_5_concentration_for_cmip6_control_experiment","vocabulary":""},{"ob_id":106261,"label":"long_name","value":"Surface Concentration of PM2.5","vocabulary":""}]}