Assertion: ozone | /r/HasProperty | an air pollutant
Facets:
value: at ground level
type: LOCATION
Source sentences:
text: Ozone at ground level is also an air pollutant, contributing to respiratory diseases such as asthma.
text: and you’ll think ozone is air pollution or smog.
text: At ground level, ozone is an air pollutant that will trigger chemical reactions with other particulates.
text: At ground-level, ozone is an air pollutant that can harm human health.