About: http://webisa.webdatacommons.org/249192329

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	Pollution in towns and cities including London, Oxford, Sheffield, Liverpool and Leeds was as much as double safe levels, according to official data.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com