Clean Air Day 2017 (which we coordinated alongside 100 supporters) was a smash hit, trending at No.1 on UK Twitter for 5 hours. Our air quality messages had a potential reach of 86 million! Plans are already afoot for Clean Air Day 2018.

To find out more about the success of Clean Air Day 2017, download the Celebration Report or visit the website at

Please contact [email protected] with any queries.