No matter how bad the air smells it's still all right.
If the air in here smells bad, I can't tell.
He was surprised by how much like Earth the air smelled.
The air smells green tonight, he thought, and smiled a little.
The air smelled fresh and green as it does only in spring.
The air smelled fresh and clear, summer in the mountains.
The air didn't smell bad at all; in fact it was sweet.
The air smelled fresh after the rain of the day before.
Could be, he told himself; the very air smelled of heavy weather.
The air coming in the car window smelled of wet leaves.