About: primary pollutant

Premodifier: primary
Head noun: pollutant

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
nitrogen dioxide	isap:318504792	0.740583
nitrogen oxide	isap:335312432	0.622949
nitrogen	isap:185471520	0.405458
nox	isap:262605775	0.284526