Capital city of North Macedionia – Skopje – regularly registered the most polluted cities in Europe, and sometimes in the world. The #London Watch: The most polluted #city in the #worldhttps://t.co/t88tCpcfDM #Skopje pic.twitter.com/55OhLo5GLQ — The London Watch Digest (@london_digest) July 2, 2020 In 2018, levels of PM10 – tiny pollutant particles 10 nanometres in size…