This trend report looks into the effect of air pollution on the urban network of Santiago, the capital of Chile. Air pollution is caused by several anthropogenic factors and enhanced by the specific topographic and meteorological circumstances in Santiago. The sources of air pollution are outlined and quantified and several suggestions to mitigate these sources are given. These suggestions can create social inequality, this is an ethical implication that is looked at. A solution strategy in the form of a monitoring network consisting of cheap IoT sensors is presented.