so that the sensing level of odorous component can be assessed.Likewise, we evaluated the correlation of the OI values from the RMR with the SCOI values from the instrumental analysis. The Pearson correlation coefficient (r) also indicated moderate correlation with a value of 0.629 (P ¼ 6.94E-09), although this is lower compared to the SOAV correlation values. The overall results of the correlation coefficients at the SSIA showed a moderately high correlation distribution range (from 0.465 to 0.720, n ¼ 50). Therefore, we need to consider continuous monitoring activities for residents to identify the cause of odorous phenomena and to establish management countermeasures in industrial complexes.