About: http://webisa.webdatacommons.org/456505711

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	In the lower atmosphere these particles act as pollutants and can cause breathing difficulties such as asthma.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencemuseum.org.uk