Research Article

Pedestrian Exposure to Air Pollution in Cities: Modeling the Effect of Roadside Trees

Figure 4

Comparison of 3 m high horizontal CO concentration fields with (a) and without (b) the effect of trees (in green) for the period between 8 and 9 a.m. The star indicates the location of the school.
964904.fig.004a
(a)
964904.fig.004b
(b)