You may not have given much thought to air quality, nor to air purifiers, if you’re lucky enough never to have had hay fever or any of the many other health conditions connected to airborne particles.
But air pollution – including industrial emissions, exhaust fumes and dust – is one of the gravest environmental health risks in the UK. Densely populated and low-income areas feel the worst effects. It’s a global problem, explored in Beth Gardiner’s book Choked.
