air pollution in the united kingdom has been illegally high since 2010, leading to the premature deaths of 23,500 people each year,.
in particular, the country has extreme levels of nitrogen dioxide due to heavily congested roads in urban areas,.
not coincidentally, maine has a high rate of whooping cough cases � 21.1 per 100,000 people in 2015, compared to 10.3 per 100,000 nationwide..