About: http://webisa.webdatacommons.org/131049553

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	*Along with metro areas throughout California, cities such as Atlanta, Baltimore, Houston, St. Louis, Charlotte, N.C. and Washington, D.C. all had 20 or more dangerous air days already this year.
http://www.w3.org/ns/prov#wasQuotedFrom	nrdc.org