About: air quality problem

Premodifier: air quality
Head noun: problem

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
smog	isap:7141070	0.479352
mold	isap:2492126	0.468169
smoke	isap:223267284	0.388368
ozone	isap:222684173	0.322554