The Clayton, CA pollution index is the sum of the most hazardous air pollutants displayed in pounds. The Clayton, CA pollution index is 24.4% less than the California average and 170.1% greater than the national average.
Definition of real. 1  1 : of or relating to fixed, permanent, or immovable things (such as lands or tenements)
Facetious does mean not to be taken seriously or literally, a good definition that says a lot in few words. Not to be taken addresses intent, specifically lack of ill intent. ...seriously or literally brings in the word play involved, where one says something that is the opposite of what is meant.