{"ob_id":93326,"names":[],"terms":[{"ob_id":101301,"label":"standard_name","value":"mass_concentration_of_pm2p5_ambient_aerosol_particles_in_air","vocabulary":""},{"ob_id":101303,"label":"units","value":"ug m**-3","vocabulary":""},{"ob_id":101307,"label":"var_id","value":"pm2p5_mean","vocabulary":""},{"ob_id":101308,"label":"long_name","value":"Particulate matter d <= 2.5 um","vocabulary":""}]}