It is only the end of February, but air pollution in Milan has already exceeded the legal limit for 2019, and the Po Valley swims in a soupy smog.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/italys-polluted-po-valley-gasps-fresh-air
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/phys
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/italy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pm-25
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rspm-pm-10
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/european-union-eu