The recent disceptation closed to Volkswagen's fraudulent diesel fuel emissions tracking has helped to highlight the dangers of nitrogen oxide. For a alter the usually regulation-lite U.S. genuinely has much amend testing procedures for NOx emissions than the European Union. The outcome of this lax testing authorities is that many of Europe's cities accept real unsafe levels of NO2.
The Wall Street Journal has published an interactive map of Europe’s Diesel Pollution Problem. The map plots the annual NO2 concentration levels of over 4,000 monitoring stations for 2013. The stations on the map are shown on the map alongside colored markers. The colors of the markers betoken the annual NO2 concentration grade recorded at the station as well as you lot tin too mouse-over a marking to sentiment the exact recorded level.
The map sidebar initially shows the acme x close polluted areas inwards Europe. However, equally you lot zoom inwards on the map, the map sidebar updates to demo the results for the monitoring stations inwards the electrical flow map bounds.
