As the door to his quarters opened, he was immediately aware of the difference inside.

He should have been aware of his company immediately.

She glanced around, was immediately aware of the sudden activity.

He moved his leg and was immediately aware of the cold empty space beside him.

The ibis plant was not immediately aware of what had happened.

Neither was immediately aware that it has happened (there really is nothing new under the sun) on at least two occasions.

He hadn't been immediately aware of Rebecca when she entered his space.

The guests who had been staying at the castle left and I was immediately aware of the change.

According to the original account, you should be immediately aware that something has gone horribly wrong.

There was one other change I was immediately aware of.