It was Tuesday morning now, a pale October sunrise fighting its way through the sooty air.

Somehow, though, the sooty air never got inside the school.

The dirty streets were narrow, and the houses leaned precariously overhead from either side, lines strung between the windows with laundry drying in the sooty air.

The first birds were coughing on the sooty air, sewer rats were ganging up on the cats, and the latest plague was bubbling wetly in the open sewers.

He cycled for hours over deserted, now-familiar roads and breathed the sooty warm air.

Two steps descending to a plot of shattered earth, with a pair of Corinthian columns supporting sooty air, a modern-day Roman ruin.

"You have to wonder what the impact will be on people breathing sooty air and livestock feeding on soot-covered grassland," he said.

Thomas Orley coughed in the dank, sooty air.

Chakotay pulled the grate open with a great puff of sooty air, and knelt to reach under the damaged panel.

Low-income living environments are often the perfect hosts for lung-irritating particles, like dust, sooty air and the waste of household pests.