How Delhi is caught in a poisonous loop | Delhi News – The Times of India
NEW DELHI: The capital’s overall air quality index (AQI) fluctuates from day to day, but for its 13 pollution hotspots, the story rarely changes — thick smog and dangerously high pollution levels showing little sign of relief. An analysis of annual PM2.5 concentrations at these hotspots shows that 11 of them recorded a rise in…