About: http://webisa.webdatacommons.org/413553543

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	Also, while particulate matter is a problem, and that could to some extent be filtered out with a good filter, its not the only problem with the air you are breathing on a motorway/ freeway (?) (I mean the fast intercity roads).
http://www.w3.org/ns/prov#wasQuotedFrom	mothering.com