smokiness

His smokiness turned from a soft coal to an anthracite hue, and he went off his feed.

This also accounts for the smokiness of the interior of the burial-caves, even of the ancient ones.

Has that momentum of movement toward increasing smokiness slacked?

The second is to trim the wick and do whatever else it needs to correct the smokiness.

Except for a little smokiness, the air is wonderfully pure and clear.