WHO: Finland has the world’s cleanest air | yle.fi
https://yle.fi/uutiset/osasto/news/who_finland_has_the_worlds_cleanest_air/10188554 Finland’s air quality is better than that of any other country on earth, according to statistics from the World Health Organisation published by the Finnish Meteorological Institute. Monitoring stations suggest that there are some 6 microgrammes of small particles per cubic metre of air in Finland, the lowest figure recorded worldwide. →