<https://w3id.org/ad4gd/air-quality/properties/pm2.5>	<http://www.w3.org/2000/01/rdf-schema#label>	"Particulate matter < 2.5 \u00B5m"@en .
<https://w3id.org/ad4gd/air-quality/properties/pm2.5>	<http://purl.org/dc/terms/identifier>	"ad4gd-pm2.5" .
<https://w3id.org/ad4gd/air-quality/properties/pm2.5>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/sosa/ObservableProperty> .