The air is so black with diesel fumes and coal dust, I can barely see.

天空由于充满柴油机的浓烟和煤灰而如此黑，我几乎看不见。

《柯林斯英汉双解大词典》

Dust floats in the air.

灰尘飘浮在空中。

youdao

The air was thick with dust.

空气由于灰尘弥漫而闷塞。

《牛津词典》

The heavy metal enters the body when children breathe the paint dust or fumes in the air.

VOA: special.2009.08.31

"It is not just a case of understanding the activity at the volcano itself, what we are also seeing the effect of at the moment are the prevailing weather conditions because we are in a northerly air stream at the moment and that is bringing the volcanic dust from Iceland down over the U.K.

VOA: standard.2010.04.15

Residents claim they often choke on the dust in the air in the evenings.

FORBES: The World's Most Polluted Places

Measurements in the town on Monday showed levels of the dust in the air were three times the maximum safety level.

BBC: Villagers despair in Hungary's red wasteland

Vast open-pit mines that spew clouds of dust into the air scar a landscape that locals say was largely pristine only a few years ago.

ECONOMIST: Inner Mongolia: Little Hu and the mining of the grasslands | The