About: pollution level

Premodifier: pollution
Head noun: level

Same concepts

Broader concepts

label	provenance	confidence
other factor	isap:155551632	0.687403
city	isap:200779207	0.664665
factor	isap:155551259	0.590263
problem	isap:221674774	0.289272

Narrower concepts

label	provenance	confidence
heavy metal	isap:374315636	0.465154