About: http://webisa.webdatacommons.org/78826822

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	Air pollution is measured by the levels of polycyclic aromatic hydrocarbons (PAHs) in the environment, which are released during the incomplete burning of fossil fuels, including coal.
http://www.w3.org/ns/prov#wasQuotedFrom	ccceh.org