dankness       
noun [ U ] uk/ˈdæŋk.nəs/ us/ˈdæŋk.nəs/
 (尤指建筑物或空气的)阴冷潮湿,湿冷
(especially of buildings and air) the fact 0f being wet, cold, and unpleasant
  There was a dankness in the air. 空气中弥漫着阴冷潮湿的气息。 
 She was a little surprised by the dankness of the place. 她对这个地方的湿冷感到有点惊讶。 
 See: dank
 - More examples
 - He hurried through the dankness of the tunnel.
 - I moved into the basement of their house and seldom came up from its dankness.
 - At about 4 o'clock, the dankness lifted.