He could not work in these conditions any longer.

The conditions are ripe for the spread of disease.

People are living in appalling conditions.

This change has been timed under laboratory conditions.

The conditions in the camp are terrible.

The mild winter has created the ideal conditions for an ant population explosion.

appalling living conditions

adverse weather conditions

The wind provided ideal conditions for surfing.

Weather conditions at the time of the crash were said to be good.