{"ob_id":54711,"names":[],"terms":[{"ob_id":144,"label":"units","value":"kg kg-1","vocabulary":""},{"ob_id":6022,"label":"var_id","value":"mmrpm2p5","vocabulary":""},{"ob_id":30355,"label":"long_name","value":"PM2.5 mass mixing ratio","vocabulary":""},{"ob_id":30356,"label":"standard_name","value":"mass_fraction_of_pm2p5_dry_aerosol_particles_in_air","vocabulary":""}]}