Table nbsp shows that the total

In order to see if there are differences between aerosol size distributions associated with the various activities, the Kruskal–Wallis non-parametric test (Kruskal and Wallis, 1952) followed by Dunn\'s test (Dunn, 1964) was applied. Statistically significant differences were observed in every pair-wise test (p < 0.001) at the 0.05 level of significance. Firstly, the test shows significant differences between the XIII code (weekend) and the periods when sports activities are being developed (II to VIII codes).