Pollution Air pollution in Europe, measured by an average number of PM2.5 micrograms per 1 cubic meter of air November 24, 2015 Alex This post may contain affiliate links. As an Amazon Associate, we earn from qualifying purchases. Related Posts:How Many Cigarettes You’re Indirectly Smoking Due to…World Map of Dry Air Capitals: Cities with the…Maps of the Great LakesThe Best and Worst U.S. cities for Skin Health MappedThe Most and Least Expensive American NeighborhoodsDifferences between the United States and Europe mappedLight Pollution in the United StatesLiters to Gallons Converter: All Volume Units (mL,…