Figure 3 | Scientific Reports

Figure 3

From: Protecting playgrounds: local-scale reduction of airborne particulate matter concentrations through particulate deposition on roadside ‘tredges’ (green infrastructure)

Figure 3

Black carbon (BC), PM2.5, PM1 and particle number concentrations (PNCs), 1-min aves., measured at the roadsides, and in the playgrounds at 1 m (‘Behind tredge’) and ~ 5 m (‘Playground’) behind the tredges. Boxes indicate median value, lower and upper quartiles, and whiskers show 10th and 90th percentiles.

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