About: http://webisa.webdatacommons.org/230997553

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	We started monitoring items such as PM2.5 and O3 in accordance with the new standard and timely released the monitoring data in 496 monitoring sites in 74 cities (including such key regions as Beijing
http://www.w3.org/ns/prov#wasQuotedFrom	sepa.gov.cn