Table 2 Correlations between noise level and particle concentrations during the two weeks of measurement

From: Influences of wind speed and direction on atmospheric particle concentrations and industrially induced noise

Time	Ws vs PM₁	L_eq vs PM₁	L_eq vs PM_coarse
W1
Morning	0.48	0.51	0.20*
Afternoon	0.49	0.58	0.34
Evening	−0.19*	0.21*	−0.12*
W2
Morning	0.22	0.28	0.19*
Afternoon	0.21	0.39	0.34
Evening	−0.14	0.22	0.14*

* Not significant at p < 0.05. W1 and W2 stand for week 1 and 2 respectively. Ws represents wind speed

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