The smoke was so thick that “the sun and the air were darkened with the smoke from the shaft.” Not only the sky above was filled with smoke but so was the air at ground level. The smoke was all around you, so that you had no choice but to inhale it. We would say: it got into your clothes and hair and skin.
2 He opened the shaft of the bottomless pit, and from the shaft rose smoke like the smoke of a great furnace, and the sun and the air were darkened with the smoke from the shaft.