Utilize grey relating method to analyze contamination factors of indoor air quality and judge main factors. And that using dynamic model method of grey theory to establish grey predicted model of indoor air quality index and offer scientific basis for evaluating the status of indoor air quality. Four apartments were chosen to prove that high accuracy prediction of indoor air quality can be attained on the basis of grey prediction model which involves the integrated index (I) of indoor air quality as a predicted factor.

Apply Grey Relating Method to Evaluate Indoor Air Quality