Association between Asian Dust-Borne Air Pollutants and Daily Symptoms on Healthy Subjects: A Web-Based Pilot Study in Yonago, Japan

Table 3

Spearman’s rank-correlation coefficient values for the association between air pollutants and subjective symptoms.

Symptoms	Ocular	Nasal	Respiratory	Skin
SPM	0.475	0.614	0.060	0.445
PM2.5	0.428	0.560	0.023	0.437
SO2	0.096	0.250	−0.016	0.297
	0.118	0.163	−0.051	−0.119

, , and .