About: http://webisa.webdatacommons.org/353228636

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	, nitrogen oxides and other chemicals, which form smog when they react with sunlight.Ozone, of all air pollutants, is the most dangerous as it has direct effects on lung tissue.
http://www.w3.org/ns/prov#wasQuotedFrom	planetark.org