An important innovation in the new directive is the introduction of standards for fine particles, known as PM2.5, which are more dangerous as they penetrate deeper into the lungs.
Oluline uuendus uues direktiivis on normide kehtestamine tahkete peenosakeste (PM2,5-osakesed) kohta, mis on PM10-osakestest veel ohtlikumad, kuna tungivad sügavamale kopsu.