The bubbles floated in the clear air, above and beyond the zone of smoke.
The sound of the artillery coming up was now loud in the clear air.
Now he could walk around in the clear air of the planet of his birth.
The sky was close above; around about was nothing but the clear air.
See how they sniff the clear air, and skip and play in the sunshine.
He sees, perhaps, a white column of smoke rising in the clear air.
Soon he saw the smoke curling up through the clear air of the prairie.
I moved back into clear air and called for reports from all sections.
"I thought you'd be," said a voice that came out of clear air.
From each farmhouse a column of smoke rose into the clear air.