About: http://webisa.webdatacommons.org/26816974

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	AirNow was developed by EPA, NOAA, National Park Service and other local and state agencies to provide easy access to national air quality information.
http://www.w3.org/ns/prov#wasQuotedFrom	stcharleslibrary.org