Clean Air Day 2018! Countdown to Clean Air Day 2018Countdown We know that people are starting to think about the next Clean Air Day and that many of you were keen to know the date for 2018. So, we're delighted to announce that the date for Clean Air Day 2018 is Thursday 21st June. The day has undergone a very slight name change, to make it a bit easier to say and also to include other countries who may feel inspired to join in. We would love to know what you've got planned for the day, so keep in touch with us on [email protected] Remember you can also sign up for updates about Clean Air Day by registering here. Save the date and thanks for your support!