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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 Leq vs PM1 Leq vs PMcoarse
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*
  1. * Not significant at p < 0.05. W1 and W2 stand for week 1 and 2 respectively. Ws represents wind speed