On 25 March 2021, the European Parliament adopted a resolution on the implementation of the Ambient Air Quality (AAQ) Directives, in which it calls on the European Commission to regulate Indoor Air Quality (IAQ) as well. The resolution is not binding on the Commission but is nevertheless a significant milestone in the efforts to enshrine IAQ into legislation. It confirms there is growing appreciation among legislators of the importance of clean air indoors, reflecting an ambition which Eurovent has been advocating for consistently.