The 28th June 2022 is Clean Air Day and while we are aware of the importance of clean air, we only have to cast our minds back 18 months to the first global lock downs to see how dramatic the difference can be.

That said, on a daily basis we are all confronted with an unseen air quality challenge - that of indoor air quality. Read our paper on Indoor air quality here http://ow.ly/WtZ250JJh6E.