Graphs reveal how air pollution has changed since the Industrial Revolution UK cities have made significant reductions since hitting a peak in the 1960s From London's Victorian smog to the toxic haze ...
New Delhi: In 2015-16, Delhi had 69 ‘very poor’ air quality days, with AQI between 200-300, from October to January. Ten years later, after the imposition of GRAP or other pollution measures, there ...