Assertion: ozone's concentration | /r/HasProperty | formed as a component of smog
Facets:
value: during those seasons
type: TEMPORAL
value: often
type: TEMPORAL
Source sentences:
text: During those seasons, high concentrations of ozone are often formed during the heat of the afternoon and early evening (as a component of smog) and are likely to dissipate later in the evening as the air cools.