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)
adjective.  1 legitimate. 2  See more words with the same meaning: alternative spellings or pronunciations (list of) . 3  See more words with the same meaning: real, genuine.ink to this slang definition. To link to this term in a web page or blog, insert the following. To link to this term in a wiki such as Wikipedia, insert the following. Some wikis use a different format for links, so be sure to check the documentation.