{"ob_id":80077,"names":[],"terms":[{"ob_id":144,"label":"units","value":"kg kg-1","vocabulary":""},{"ob_id":6022,"label":"var_id","value":"mmrpm2p5","vocabulary":""},{"ob_id":6396,"label":"standard_name","value":"mass_fraction_of_pm2p5_ambient_aerosol_in_air","vocabulary":"cf_standard_names"},{"ob_id":32554,"label":"long_name","value":"PM2.5 Mass Mixing Ratio at 50 Percent RH","vocabulary":""}]}