About: level of air pollutant

Head noun: level
Postmodifier: of air pollutant

Same concepts

Broader concepts

label	provenance	confidence
vehicle	isap:227945016	0.195171

Narrower concepts

label	provenance	confidence
particulate matter	isap:117109575	0.683213
diesel exhaust	isap:31826382	0.676429
nitrogen oxide	isap:375701768	0.661774
carbon monoxide	isap:362767925	0.661591
nitrogen dioxide	isap:32155562	0.568652
sulfur dioxide	isap:32155572	0.410940
ozone	isap:376632051	0.407994
sulfur	isap:117053032	0.394147
so2	isap:469666905	0.262391