Pollutionwatch: spring is often the worst time in UK for air pollution

Ammonia from farms mixes with factory emissions and traffic exhaust to create high levels of air pollutionRunners in this year's London Marathon escaped breathing badly polluted air as westerly winds cleared springtime smog just before the race start. Images of spring include blossom and fresh green growth, but it is often our most polluted time of year, and air pollution frequently reaches the top level on the UK government's 10-point scale. In spring 2014 Paris instigated odd/even number plate bans and David Cameron memorably tweeted that he was cancelling his run due to air pollution. That year, spring particle pollution caused an estimated 600 early deaths across England and Wales. Continue reading...